{"title":"Audiological profile in children with congenital inner ear anomalies.","authors":"Mohamed Mohamed El-Badry, Amira Fawzy, Mohamed Makhlouf Hasan, Fatma Refat","doi":"10.1080/14670100.2025.2457202","DOIUrl":"10.1080/14670100.2025.2457202","url":null,"abstract":"<p><strong>Objectives: </strong>The current study aims to describe subjects and audiological profiles of children with congenital inner ear anomalies (IEAs).</p><p><strong>Materials and methods: </strong>A total of 193 children with sensorineural hearing loss (SNHL) and radiological evidence of one or more congenital IEAs were included.</p><p><strong>Results and discussion: </strong>The most common IEAs in the current study was enlarged vestibular aqueduct (EVA) either isolated or associated with other IEAs. Incomplete partition (IP) with its three types (IP I, IP II, and IP III) was the second common anomaly, followed by cochlear hypoplasia (CH). At the time of radiological diagnosis, hearing loss degrees ranged from mild to profound in children with EVA, CH III, and CH IV with the majority having severe or profound degrees. The prevalence of severe and profound degree of hearing loss was higher in children with IP than children with isolated EVA or CH III and CH IV. In children with isolated EVA, hearing loss was asymmetric in 52.2% and progressive in 58%. In children with CH III and CH IV, hearing loss was asymmetric but stationary. Only children with EVA and IP III had air-bone gab (ABG) at low frequencies, while children with other IEAs did not have ABG except if there was an association with EVA. Children with severe anomalies such as CH I, CH II, common cavity, and cochlear nerve hypoplasia had profound degrees of hearing loss or just sound detection.</p><p><strong>Conclusions: </strong>Knowing the audiological profile of children with IEAs has important clinical implications in the management of those children.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"43-62"},"PeriodicalIF":1.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143076558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The relationship between AutoNRT thresholds and subjective programming levels revisited.","authors":"Andreas Björsne, Lennart Magnusson","doi":"10.1080/14670100.2025.2455891","DOIUrl":"10.1080/14670100.2025.2455891","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study wasto systemically examine the relationship between AutoNRT thresholds and subjective programming levels by controlling for individual subject variation, and further, to propose an alternative way to calculate the AutoNRT threshold profile for programming purposes.</p><p><strong>Methods: </strong>The study was a prospective observational study. AutoNRT thresholds, T- and C-levels were recorded at six and twelve months after activation. All subjects had received a CI24RE implant.</p><p><strong>Results: </strong>Forty-one adults participated in the study. A linear mixed-effects model analysis of the relationship between the AutoNRT thresholds and the T-and C-levels resulted in a large unexplainable variation between subjects, the standard deviation was between 15.42 and 18.89 CL. However, the study showed that the profiles for the T- and C-levels could be predicted with an acceptable accuracy from AutoNRT. A model for calculating profiles from AutoNRT thresholds based on linear regression resulted in the lowest deviation from the subjective programming thresholds, with somewhat better results for C-levels than T-levels.</p><p><strong>Conclusion: </strong>The results from this study showed that the predictability was reasonable when calculating the profiles for the T- and C-levels based on AutoNRT. And, further, that AutoNRT thresholds can be used when programming cochlear implants, to make global adjustments without predicting actual T- or C-levels.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"1-11"},"PeriodicalIF":1.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143069484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mark Sladen, Jaya Nichani, Karolina Kluk-de Kort, Haroon Saeed, Iain A Bruce
{"title":"Outcomes of attempted hearing preservation after cochlear implantation (HPCI): a prognostic factor (PF) systematic review of the literature.","authors":"Mark Sladen, Jaya Nichani, Karolina Kluk-de Kort, Haroon Saeed, Iain A Bruce","doi":"10.1080/14670100.2025.2457197","DOIUrl":"10.1080/14670100.2025.2457197","url":null,"abstract":"<p><strong>Objective: </strong>There's a need to highlight prognostic factors (PFs) determining hearing preservation in cochlear implantation (HPCI), as currently there is large variability in outcomes. Given the potential benefits of HPCI, it is important to understand the factors influencing this variation. We apply a novel methodology to outline and assess the accuracy of prognostic factors reporting for HPCI.</p><p><strong>Data sources: </strong>A preferred reporting item for systematic reviews and meta-analyses compliant systematic review, searches applied to Medline, EMBASE, and Cochrane.</p><p><strong>Study selection: </strong>The CHARMS-PF tool assessed the strength of PF study designs.</p><p><strong>Data extraction: </strong>The QUIPS tool assessed for risk of bias.</p><p><strong>Data synthesis and results: </strong>Ninety-two papers were suitable for data extraction. The domain's preoperative hearing loss, size of the round window opening, round window accessibility, surgical insertion speed and route (Round window or cochleostomy), electrode length and type were identifiable exploratory PFs for HPCI. Overall, the study's heterogeneity and risk of bias precluded reporting by forest plots and meta-analysis.</p><p><strong>Conclusions: </strong>Most exploratory PF studies for HPCI are hindered by the risk of bias. This systematic review identifies potential independent PFs which should be measured, and adjusted for, in future confirmatory studies using a multivariate analysis. This would determine the independent prognostic effects associated with HPCI while facilitating prognostic model development and the predict individual HPCI.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"12-29"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143494779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Seyed Hossein Razavi, Mohammad Poormohammadi, Arezoo Ansarilari
{"title":"Temporal bone image quality in CBCT: Device and protocol variations.","authors":"Seyed Hossein Razavi, Mohammad Poormohammadi, Arezoo Ansarilari","doi":"10.1080/14670100.2025.2478739","DOIUrl":"10.1080/14670100.2025.2478739","url":null,"abstract":"<p><strong>Objectives: </strong>Considering the high prevalence of temporal bone imaging and the growing tendency to replace the CT scan with CBCT in this field, it seems necessary to determine the optimal radiation conditions in each commercial CBCT brand to obtain the best diagnostic images with minimal patient radiation.</p><p><strong>Methods: </strong>A dry human skull was imaged by 6 radiation protocols in 4 different CBCT devices. The images of anatomical landmarks including cochlea, lamina spiralis, facial canal, semicircular canals, and modiolus, were reconstructed. Then, the quality of these images was determined by 3 observers based on a 4-point scoring system. The Kappa coefficient was adopted to evaluate the observer's agreement, and the Kruskal-Wallis and Mann-Whitney tests were used to compare the mean scores of the protocols and the superiority of the protocols in each device, respectively.</p><p><strong>Results: </strong>There was no statistically significant difference between the mean scores of the protocols in the Acteon and NewTom devices. In the Kodak and Planmeca devices, the recommended protocol for imaging the temporal bone is protocol 1 and protocol 3, respectively.</p><p><strong>Conclusion: </strong>Considering the replacement of the CBCT device for temporal bone imaging and the variety of related protocols in these devices, to reduce the overall society dose, it seems necessary to conduct further studies to determine the optimal radiation conditions in each device. In addition, the ability to unilaterally image the temporal bone is an underappreciated advantage of the CBCT over the CT, which prescribers are not familiar with.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"73-78"},"PeriodicalIF":1.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143744458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Larissa Fernandes Gomes, Isabelle Costa de Vasconcelos, Karinna Veríssimo Meira Taveira, Sheila Andreoli Balen, Joseli Soares Brazorotto
{"title":"Functional near-infrared spectrometry for auditory speech stimuli in cochlear implant users: a systematic literature review.","authors":"Larissa Fernandes Gomes, Isabelle Costa de Vasconcelos, Karinna Veríssimo Meira Taveira, Sheila Andreoli Balen, Joseli Soares Brazorotto","doi":"10.1080/14670100.2024.2427506","DOIUrl":"10.1080/14670100.2024.2427506","url":null,"abstract":"<p><strong>Objective: </strong>This study aims to identify the acquisition features of functional near-infrared spectroscopy (fNIRS) in cochlear implant users.</p><p><strong>Methods: </strong>A systematic literature review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. PubMed, EMBASE, LILACS, Web of Science, Scopus, PsycINFO, IEEE Xplore, Google Scholar, and ProQuest Dissertations & Theses Global were searched using the PECOS acronym. Inclusion criteria encompassed studies involving fNIRS with speech stimuli in cochlear implant users of any age, with information on acquisition parameters and features. Risk of bias assessment was performed using the Joanna Briggs Institute tool.</p><p><strong>Results: </strong>Nineteen studies were included, with thirteen exhibiting a low risk of bias. Noteworthy uniformity was observed in certain fNIRS acquisition features among cochlear implant users, including the waking state (awake), auditory stimuli of words or phrases presented in a free field, visual stimuli displayed during data collection as a secondary task, recording of responses in the bilateral temporal lobe, and a three-centimeter distance between optodes. Variations in acquisition were attributed to differing study purposes.</p><p><strong>Conclusion: </strong>This review identifies common acquisition characteristics for fNIRS in cochlear implant users. Multicenter research efforts are advocated to further advance the utility of fNIRS in this population.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"445-458"},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142689720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
James Dempsey, Karolina Kluk-De Kort, Iain A Bruce, Jaya Nichani
{"title":"Progressive hearing loss in childhood - shifting from reactive to dynamic management.","authors":"James Dempsey, Karolina Kluk-De Kort, Iain A Bruce, Jaya Nichani","doi":"10.1080/14670100.2024.2394314","DOIUrl":"10.1080/14670100.2024.2394314","url":null,"abstract":"<p><p>Advances in worn and implantable hearing device technology is such that hearing can now be successfully (re)habilitated from mild to profound hearing loss. Whilst hearing services have access to the latest digital hearing devices, bone conduction and cochlear implants, two main research and clinical challenges remain within the pediatric population, namely <i>matching the device to the hearing loss and needs of the individual</i> (e.g. borderline cochlear implant candidacy), and <i>early identification to facilitate timely intervention across the pediatric life span.</i> Deteriorating and later-onset hearing loss are exemplars of the challenges faced.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":"25 6","pages":"417-421"},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143733193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alimohamad Asghari, Mohammad Farhadi, Ahmad Daneshi, Seyed Basir Hashemi, Marjan Mirsalehi, Nader Saki, Mohsen Rajati, Seyedhamidreza Abtahi, Hesamaldin Emamdjomeh, Majid Karimi, Arash Bayat, Yalda Dehghanpour, Leila Monshizadeh, Mahsa Sepehrnejad, Seyedeh Shahrzad Mirza Torabi, Ali Omidvari
{"title":"Cochlear reimplantation rate, causes, and outcomes: a multicenter study.","authors":"Alimohamad Asghari, Mohammad Farhadi, Ahmad Daneshi, Seyed Basir Hashemi, Marjan Mirsalehi, Nader Saki, Mohsen Rajati, Seyedhamidreza Abtahi, Hesamaldin Emamdjomeh, Majid Karimi, Arash Bayat, Yalda Dehghanpour, Leila Monshizadeh, Mahsa Sepehrnejad, Seyedeh Shahrzad Mirza Torabi, Ali Omidvari","doi":"10.1080/14670100.2024.2448905","DOIUrl":"10.1080/14670100.2024.2448905","url":null,"abstract":"<p><strong>Objective: </strong>The current study aimed to evaluate cochlear reimplantation rate, causes, and audiological outcomes in a large group of patients in a multicenter study.</p><p><strong>Methods: </strong>This retrospective study was conducted on patients with cochlear reimplantation surgeries between 2000 and 2022 in five academic referral centers. The rate and reasons for cochlear reimplantation surgeries were evaluated. The auditory performance and speech production outcomes were compared before and after cochlear reimplantation surgeries.</p><p><strong>Results: </strong>Of 9,287 primary cochlear implantation surgeries, 186 reimplantations were performed (a cochlear reimplantation rate of 2%). The highest risk of reimplantation was found 2 to 4 years after primary implantation. Device failure was the main reason for cochlear reimplantation (81.2%). The categories of auditory performance and speech intelligibility rating scores were unchanged or improved in 57 out of 59 patients (96.6%), and 55 out of 59 patients (93.2%), respectively.</p><p><strong>Conclusion: </strong>The cochlear reimplantation rate seems to be relatively low, with the cause of device failure in most cases. While the highest risk of reimplantation happened during the first four years after primary surgery, regular follow-ups are necessary, particularly during this time. The audiological outcomes do not worsen after reimplantation in most patients, and some children may experience some improvements.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"477-486"},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142958889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cochlear implant in Wolfram syndrome: A case report.","authors":"Hetal Marfatia, Anav Rattan, Anushka Jain","doi":"10.1080/14670100.2024.2442826","DOIUrl":"10.1080/14670100.2024.2442826","url":null,"abstract":"<p><strong>Introduction: </strong>Wolfram syndrome, a rare autosomal recessive disorder, is characterised by diabetes insipidus, juvenile diabetes mellitus, optic nerve atrophy and deafness (DIDMOAD).</p><p><strong>Case report: </strong>We present a case of a 21-year-old male diagnosed with Wolfram syndrome who underwent cochlear implantation due to progressive hearing loss. The patient first complained of bilateral hearing loss at the age of 8 years. As the hearing loss progressed hearing aids provided minimal benefit. A multidisciplinary team evaluated his extensive medical history, which included juvenile-onset diabetes mellitus, seizures, vision abnormalities and hypergonadotrophic hypogonadism. Pure tone audiometry was done which showed sloping bilateral severe to profound hearing loss, more at higher frequencies. Hrct and Mri temporal bone showed normal cochlear architecture and cochlear nerve. The patient received a Nucleus Profile™ CI 632 cochlear implant. Postoperative evaluation revealed significant improvement, with a speech discrimination score of 90% at the most comfortable level three months post-implantation.</p><p><strong>Conclusion: </strong>Wolfram syndrome is a rare genetic disorder with multisystem involvement and debilitating symptoms. High-frequency sensorineural hearing loss is a common association and hearing rehabilitation using hearing aids and cochlear implants must be considered to improve the quality of life.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"487-491"},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142883624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Beata Diosi, Zsofia Bere, Angela Csomor, Tamara Tapai, Zoltan Toth, Edina Kovacs, Balint Posta, Miklos Csanady, Antal Nogradi, Zsigmond Tamas Kincses, Laszlo Rovo, Adam Perenyi
{"title":"Artefacts on magnetic resonance imaging with Osia®2 bone conduction hearing aid: A cadaver study.","authors":"Beata Diosi, Zsofia Bere, Angela Csomor, Tamara Tapai, Zoltan Toth, Edina Kovacs, Balint Posta, Miklos Csanady, Antal Nogradi, Zsigmond Tamas Kincses, Laszlo Rovo, Adam Perenyi","doi":"10.1080/14670100.2024.2398833","DOIUrl":"10.1080/14670100.2024.2398833","url":null,"abstract":"<p><strong>Objectives: </strong>Hearing implants often limit the assessment of magnetic resonance examinations due to susceptibility artefacts. Our aim was to evaluate the impact of artefacts attributed to the Osia®2 implant system in terms of utility in visualizing selected cranial structures.</p><p><strong>Methods: </strong>A BI300 implant and an OSI200 actuator were implanted into a human cadaver head in the audiologically most favourable position according to the manufacturer's guidelines. Scanning was accomplished using the institutional <i>head and inner ear</i> protocol with a General Electric 1.5 Tesla scanner with retained and removed implant magnet, extended with T1 and T2 weighted sequences with metal-artefact reduction (MAVRIC SL). Image quality was evaluated by three radiologists.</p><p><strong>Results: </strong>The Osia®2 produced significant artefacts in most of the series of standard imaging sequences predominantly on the ipsilateral side of the head. The majority of the artefacts were caused by the implant magnet. Even without removing the magnet, MAVRIC SL improved image quality to such an extent that it became comparable with that after magnet removal.</p><p><strong>Conclusions: </strong>The standard sequences suffer considerable quality loss due to the artefacts, attributed predominantly to the magnetic component. Metal-artefact reduction sequences are effective in obtaining sufficient-to-good quality images without surgical magnet removal.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"434-444"},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142480595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Teresa Y C Ching, Vicky Zhang, Esti Nel, Sanna Hou, Paola Incerti, Anke Plasmans
{"title":"Effects of automatic auditory scene classification on speech perception in noise and real-world functional communication in children using cochlear implants.","authors":"Teresa Y C Ching, Vicky Zhang, Esti Nel, Sanna Hou, Paola Incerti, Anke Plasmans","doi":"10.1080/14670100.2024.2415193","DOIUrl":"10.1080/14670100.2024.2415193","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the effects of automatic scene classification (SCAN) on speech perception in noise and real-world functional performance in children using cochlear implants (CIs).</p><p><strong>Methods: </strong>We used a within-subjects repeated measures design in two studies. The first study assessed speech perception in noise with or without SCAN enabled in 25 school-aged children. The second study evaluated functional auditory performance in real life. Parents of 18 children provided ratings using the Parents' Evaluation of Aural/oral Performance of Children (PEACH) questionnaire; and children provided ratings using the Self Evaluation of Listening Function (SELF) questionnaire. Analyses of variance with repeated measures were used to examine the effect of SCAN.</p><p><strong>Results: </strong>On average, speech perception in noise was significantly better with SCAN enabled (mean SRT: -4.1 dB; SD: 4.0), compared to SCAN disabled (mean SRT: 0.5 dB; SD: 3.5). Children's functional performance in real life was similar between the two device settings.</p><p><strong>Conclusion: </strong>Automatic auditory scene classification provides significant benefits for speech perception in noise (4.6 dB improvement). On average, there were no perceived detrimental or beneficial effects in real life. These findings support the use of SCAN in CIs for young children.</p>","PeriodicalId":53553,"journal":{"name":"COCHLEAR IMPLANTS INTERNATIONAL","volume":" ","pages":"422-433"},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11952983/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142480597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}