{"title":"Antimicrobial resistance and molecular characterization of ESBL-producing Enterobacterales from Parirenyatwa Hospital wastewater in Harare.","authors":"Takudzwa Marembo, Chido Chirenda","doi":"10.1093/jacamr/dlaf170","DOIUrl":"10.1093/jacamr/dlaf170","url":null,"abstract":"<p><strong>Background: </strong>The hospital environment is a proven hotspot for antimicrobial-resistant bacteria, which may be released through hospital wastewater into the environment and municipal wastewater. The aim of this study was to monitor the occurrence of and perform molecular characterization of MDR ESBL Enterobacterales isolated from Parirenyatwa Hospital wastewater, Harare, Zimbabwe.</p><p><strong>Methods: </strong>This was a cross-sectional study. Enterobacterales from sixty-four 500 mL samples of hospital wastewater from three drainage sites of Parirenyatwa Hospital were isolated. A modified double disc synergy test was used to confirm ESBL Enterobacterales before genotyping with multiplex PCR.</p><p><strong>Results: </strong>The majority of isolates came from the main hospital drainage site. All the isolated Enterobacterales showed MDR. Of the 33 Enterobacterales isolated from hospital wastewater, 8 (24%) were ESBL-producing: 5/8 (63%) <i>Escherichia coli</i>, 2/8 (25%) <i>Klebsiella pneumoniae</i>, and 1/8 (12%) <i>Citrobacter freundii</i>. The multiple antibiotic resistance index (MARI) obtained from the ESBL-producing Enterobacterales isolates ranged from 0.5 to 0.75. Seven (87.5%) isolates harboured the <i>bla</i> <sub>CTX-M</sub> gene and five (62.5%) isolates had the <i>bla</i> <sub>TEM</sub> gene, with four (50%) isolates containing both genes. Three isolates contained the <i>bla</i> <sub>CTX-M</sub> gene only and one contained only <i>bla</i> <sub>TEM</sub>. The <i>bla</i> <sub>SHV</sub> gene was not detected.</p><p><strong>Conclusions: </strong>MDR ESBL-producing Enterobacterales were identified from Parirenyatwa Hospital wastewater. The MARI greater than 0.2 indicated that these isolates were from a high-risk source of contamination.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 5","pages":"dlaf170"},"PeriodicalIF":3.3,"publicationDate":"2025-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12495028/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145232591","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}
{"title":"Correction to: Strengthening antimicrobial stewardship in public health facilities in Malawi through a participatory epidemiology approach.","authors":"","doi":"10.1093/jacamr/dlaf173","DOIUrl":"https://doi.org/10.1093/jacamr/dlaf173","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.1093/jacamr/dlaf103.].</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 5","pages":"dlaf173"},"PeriodicalIF":3.3,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12487950/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145212735","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}
Luise Haensel, Rosanne Sprute, Jan Grothe, Florence Robert-Gangneux, Jean-Pierre Gangneux, Jacques F Meis, Oliver A Cornely, Philipp Koehler
{"title":"The 2025 EQUAL <i>Pneumocystis</i> Score-an ECMM tool to measure QUALity in <i>Pneumocystis</i> pneumonia management.","authors":"Luise Haensel, Rosanne Sprute, Jan Grothe, Florence Robert-Gangneux, Jean-Pierre Gangneux, Jacques F Meis, Oliver A Cornely, Philipp Koehler","doi":"10.1093/jacamr/dlaf165","DOIUrl":"10.1093/jacamr/dlaf165","url":null,"abstract":"<p><strong>Background: </strong><i>Pneumocystis</i> pneumonia (PCP) is an opportunistic fungal infection. Several guidelines have been published to support its clinical management. However, the complexity and breadth of these guidelines pose challenges for consistent implementation in routine clinical practice.</p><p><strong>Objectives: </strong>To develop a scoring tool and quality indicator that facilitates clinical decision making and quantifies adherence to best-practice guidelines for PCP in patients with and without HIV.</p><p><strong>Methods: </strong>Key recommendations for the diagnosis, treatment and follow-up of PCP were extracted from current guidelines of the European Council on Infections in Leukaemia (ECIL), the American Society of Transplantation Infectious Diseases Community of Practice (AST-IDCOP), and the IDSA guidelines. Each recommendation was assigned a point value ranging from -1 to 3, weighted according to the strength of recommendation and level of evidence.</p><p><strong>Results: </strong>The proposed 2025 European Confederation of Medical Mycology (ECMM) QUALity (EQUAL) <i>Pneumocystis</i> Score consists of 24 items for patients with HIV and 22 for patients without HIV. For diagnosis, bronchoalveolar lavage and immunofluorescence assays received the highest scores due to their superior sensitivity and specificity for sampling and analysis. Trimethoprim/sulfamethoxazole is the treatment of choice and was awarded with the highest score. The addition of corticosteroids for patients with HIV and respiratory failure completes the treatment category. The score is completed with the patient follow-up. For HIV patients a maximum score of 31 and for non-HIV patients a maximum score of 27 is achievable.</p><p><strong>Conclusions: </strong>The 2025 EQUAL <i>Pneumocystis</i> Score offers a concise, evidence-based tool for the optimal management of PCP. This can be useful in daily practice for a quick overview and may be used to measure guideline adherence in research settings. It has not yet been assessed whether higher EQUAL <i>Pneumocystis</i> Scores are associated with improved patient outcomes.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 5","pages":"dlaf165"},"PeriodicalIF":3.3,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12477467/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145199404","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}
{"title":"PO-llution control: a cross-sectional study on the role of antimicrobial stewardship in reducing healthcare's carbon footprint.","authors":"Saied Ali, Sadhbh Gash, Niamh Weir, Karen Burns, Binu Dinesh, Helene Mcdermott, Fidelma Fitzpatrick, Sinead O'Donnell, Ciara O'Connor","doi":"10.1093/jacamr/dlaf146","DOIUrl":"10.1093/jacamr/dlaf146","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate the environmental impact of prolonged IV antimicrobial courses and identify opportunities for improved antimicrobial stewardship (AMS) practices.</p><p><strong>Methods: </strong>A retrospective cross-sectional study was conducted using AMS ward-round data from January 2023 to December 2024 at a tertiary hospital in Dublin, Ireland. Data on IV antimicrobial prescriptions, AMS recommendations for discontinuation or IV to oral switch (IVOS) and prescriber acceptance were reviewed. A life cycle assessment, informed by published literature, was used to estimate the carbon footprint associated with IV use.</p><p><strong>Results: </strong>Of 1929 antimicrobial prescriptions reviewed, 58% (<i>n</i> = 1119) were being administered IV. Among 435 IV prescriptions with AMS, recommendations to stop (<i>n</i> = 357) or IVOS (<i>n</i> = 78), 229 (52.6%) were accepted, resulting in a reduction of 106.5 kg of clinical waste and 261.2 kg carbon dioxide equivalents (CO₂e) emissions. The remaining 206 IV prescriptions (47.4%) were categorized as prolonged IV prescriptions, generating 98.8 kg of clinical waste and 245.8 kg CO₂e; averaging 0.48 kg of waste and 1.19 kg CO₂e per prescription. To contextualize, the carbon footprint of each prolonged prescription equates to driving 6.2 km, performing 10 chest X-rays or operating a 10 W light-emitting diode bulb continuously for 1200 h. Piperacillin-tazobactam, amoxicillin-clavulanic acid, cefuroxime, metronidazole and meropenem together accounted for over 84% of total emissions, with piperacillin-tazobactam alone contributing 97.5 kg CO₂e and 41.6 kg of waste from 62 prolonged prescriptions.</p><p><strong>Conclusions: </strong>In addition to patient safety risks, prolonged IV antimicrobial courses generate considerable environmental waste. Aligning AMS with sustainability goals may contribute to addressing the dual crises of antimicrobial resistance and climate change.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 4","pages":"dlaf146"},"PeriodicalIF":3.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12391753/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144954557","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}
John A Fissel, Yehudit Bergman, Victoria L Campodónico, Dana M Walsh, Brian Fanelli, Keshav Arogyaswamy, Jennie H Kwon, Aaron M Milstone, Pranita D Tamma, Patricia J Simner
{"title":"Microbiome and resistome characterization of patients colonized with carbapenem-resistant Enterobacterales by long-read metagenomic next-generation sequencing of rectal swabs.","authors":"John A Fissel, Yehudit Bergman, Victoria L Campodónico, Dana M Walsh, Brian Fanelli, Keshav Arogyaswamy, Jennie H Kwon, Aaron M Milstone, Pranita D Tamma, Patricia J Simner","doi":"10.1093/jacamr/dlaf152","DOIUrl":"10.1093/jacamr/dlaf152","url":null,"abstract":"<p><strong>Objectives: </strong>Evaluation of differences in the intestinal microbiome and resistome among high-risk patients (i.e. intensive care, oncology, transplant recipients) who are and are not colonized with carbapenem-resistant Enterobacterales (CRE).</p><p><strong>Methods: </strong>One hundred and twelve rectal swabs were obtained from 85 patients with known CRE colonization status and cohorted. Long-read metagenomic next-generation sequencing (mNGS) was performed on rectal swabs. Microbiome and resistome analysis were performed by assessing α-diversity, β-diversity, relative abundance assessment and linear discriminant analysis effect size (LEfSe), comparing patients colonized (CRE positive) and not colonized (CRE negative) with CRE. Longitudinal analysis of sequential swabs collected over multiple hospital encounters on a subset of patients was performed at the patient level.</p><p><strong>Results: </strong>The microbiomes of cohorts were similar when comparing α- and β-diversity measures and relative abundance. LEfSe analysis identified Gram-negative pathobionts enriched among CRE-positive samples and Gram-positive taxa enriched among CRE-negative samples. α-Diversity of the resistome differed at class, gene and allele levels. Relative abundance and LEfSe analysis demonstrated enrichment of genes conferring β-lactam resistance among CRE-positive patients; LEfSe also demonstrated enrichment of antimicrobial resistance genes to multiple antimicrobial classes. At the patient level, fluctuations in the microbiome and resistome among longitudinally collected swabs were associated with antibiotic exposure.</p><p><strong>Conclusions: </strong>Differences between the microbiomes of CRE-positive- and CRE-negative-colonized patients at the cohort level were relatively muted, whereas statistically significant differences were observed among their resistomes. In patients followed longitudinally, shifts in microbiome and resistome composition were dramatic in between encounters and antibiotic exposures.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 4","pages":"dlaf152"},"PeriodicalIF":3.3,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12392892/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144954551","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}
{"title":"The effect of intraoperative excessive bleeding on the pharmacokinetics of ampicillin and sulbactam in recipients of living donor liver transplantation in Japan.","authors":"Yuji Wakimoto, Koh Okamoto, Takehito Yamamoto, Nobuhisa Akamatsu, Taro Kariya, Yoko Hoshino, Sohei Harada, Hideki Hashimoto, Daisuke Jubishi, Takehiro Tanaka, Ryo Yamaguchi, Junichi Kaneko, Shu Okugawa, Tappei Takada, Kiyoshi Hasegawa, Kanji Uchida, Takeya Tsutsumi","doi":"10.1093/jacamr/dlaf149","DOIUrl":"10.1093/jacamr/dlaf149","url":null,"abstract":"<p><strong>Objective: </strong>Guidelines recommend redosing with intravenous prophylactic antibiotics when excessive bleeding exceeds 1500 mL during surgery based on the pharmacokinetics data of cefazolin. However, the necessity for redosing of other antibiotics and the threshold volume of blood loss necessitating such supplementation remain undefined. We investigated plasma antibiotic concentrations during liver transplant surgery in patients with frequent excessive bleeding.</p><p><strong>Methods: </strong>A single-centre, prospective, observational pharmacokinetic study was conducted. Adult liver transplant recipients who received 2 g of ampicillin and 1 g of sulbactam every 3 h during surgery were included. Blood samples were collected hourly during surgery, and intraoperative bleeding amounts were reviewed from anaesthesia records. Plasma concentrations of ampicillin and sulbactam were determined using validated liquid chromatography-tandem mass spectrometry. The probability of target attainment was set at 80% free time above the MIC (fT > MIC).</p><p><strong>Results: </strong>Twenty participants were included. Of these, 11 participants (55%) were female. The median age, body weight, and bleeding volume were 52 years, 62.1 kg, and 11 158 mL, respectively. The intraoperative clearance of ampicillin was 80.28 mL/min, and sulbactam was 77.23 mL/min. The fT > MIC for both ampicillin and sulbactam tended to be lower with bleeding > 20 000 mL than with less bleeding. Plasma concentrations of ampicillin and sulbactam were maintained during surgery without redosing, even after bleeding exceeded 1500 mL.</p><p><strong>Conclusions: </strong>Even with excessive bleeding, administering 3 g of ampicillin/sulbactam every 3 h maintained sufficient plasma concentration. Redosing may be unnecessary unless total bleeding exceeds 20 000 mL.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 4","pages":"dlaf149"},"PeriodicalIF":3.3,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12378435/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144954530","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}
{"title":"Pharmacokinetic/pharmacodynamic parameters of teicoplanin for predicting clinical outcome of glycopeptide-susceptible <i>Enterococcus faecium</i> bacteraemia.","authors":"Ryo Yamaguchi, Takehito Yamamoto, Sohei Harada, Mayu Shibuya, Miyuki Mizoguchi, Yoshimi Higurashi, Miho Echizenya, Takeya Tsutsumi, Tappei Takada","doi":"10.1093/jacamr/dlaf151","DOIUrl":"10.1093/jacamr/dlaf151","url":null,"abstract":"<p><strong>Objectives: </strong>The objective of this study was to determine the pharmacokinetic/pharmacodynamic parameters of teicoplanin associated with optimal outcomes in glycopeptide-susceptible <i>Enterococcus faecium</i> (GSEF) bacteraemia.</p><p><strong>Patients and methods: </strong>We conducted a retrospective review of GSEF bacteraemia cases treated with teicoplanin between 1 April 2009 and 30 May 2023. Total area under the concentration-time curve over 24 h (AUC<sub>24</sub>) was calculated using a Bayesian approach. The free AUC<sub>24</sub> (fAUC<sub>24</sub>) was estimated based on patient serum albumin levels. MICs were determined using the gradient diffusion method (Etest), and the fAUC<sub>24</sub>/MIC<sub>Etest</sub> ratio was calculated. The primary outcome was treatment failure, defined as a composite of (i) 30-day all-cause mortality and (ii) microbiological failure, defined as persistent bacteraemia (a positive follow-up blood culture obtained >72 h after initiation of appropriate therapy). Classification and regression tree analysis (CART) was employed to identify the optimal teicoplanin fAUC<sub>24</sub>/MIC<sub>Etest</sub> value associated with treatment failure.</p><p><strong>Results: </strong>A total of 76 patients were included. Treatment failure occurred in 18 patients (23.7%). A CART-derived teicoplanin fAUC<sub>24</sub>/MIC<sub>Etest</sub> ≥ 462 was significantly associated with reduced treatment failure (<i>P</i> = 0.002). Multivariable regression analysis revealed that achievement of an fAUC<sub>24</sub>/MIC<sub>Etest</sub> ≥ 462 was an independent predictor significantly associated with reduced treatment failure (OR, 0.099; 95% CI, 0.005-0.562; <i>P</i> = 0.032).</p><p><strong>Conclusions: </strong>An fAUC<sub>24</sub>/MIC<sub>Etest</sub> ≥ 462 was associated with a reduction in treatment failure in GSEF bacteraemia. Further studies are necessary to establish optimal pharmacokinetic/pharmacodynamic targets for GSEF bacteraemia.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 4","pages":"dlaf151"},"PeriodicalIF":3.3,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12368495/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144954529","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}
{"title":"Correction to: Pitt candidaemia score as an assessment tool for mortality in patients with candidaemia caused by <i>Candida tropicalis</i> and other <i>Candida</i> species: a multicentre study conducted in Japan.","authors":"","doi":"10.1093/jacamr/dlaf138","DOIUrl":"10.1093/jacamr/dlaf138","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.1093/jacamr/dlaf078.].</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 4","pages":"dlaf138"},"PeriodicalIF":3.3,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12364027/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144954490","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}
A Lasagna, P Cambieri, S Figini, F Baldanti, M Andreoni, F Perrone, N Silvestris, P Pedrazzoli
{"title":"Facing antimicrobial resistance in cancer care: what the AIOM survey tells us about oncologists' awareness.","authors":"A Lasagna, P Cambieri, S Figini, F Baldanti, M Andreoni, F Perrone, N Silvestris, P Pedrazzoli","doi":"10.1093/jacamr/dlaf150","DOIUrl":"10.1093/jacamr/dlaf150","url":null,"abstract":"<p><strong>Background: </strong>Infections with antimicrobial-resistant (AMR) organisms significantly worsen outcomes in cancer patients. Since the main cause of AMR is the inappropriate use of antibiotics for prophylactic or empirical treatment, antimicrobial stewardship programmes (ASPs) have been developed. Few papers on ASPs describe prospective audits in oncology settings. In light of this, the Italian Association of Medical Oncology (AIOM) has decided to evaluate the oncologists' perceptions of this issue with a brief survey.</p><p><strong>Methods: </strong>An anonymous 14-item questionnaire was shared online during the XXVI National Congress on the AIOM website. The survey was divided into two sections. The first set of questions collected the hospital organization and practices (Q1-Q6), while the second one was about the clinical practices and antibiotic therapy (Q7-Q14).</p><p><strong>Results: </strong>Sixty-four medical oncologists completed the anonymous questionnaire. Seventy-two percent of respondents believe that AMR is a significant issue in cancer patients, and an equal percentage considers it likely that a cancer patient will become infected with a MDR pathogen. Despite these concerns, only 48% (<i>n</i> = 31/64) report having an active ASP in their centre. Just 6% of respondents (<i>n</i> = 4/64) consider themselves very confident in prescribing antibiotic therapy, while most consider themselves fairly or not very confident (<i>n</i> = 34/64, 53%, and <i>n</i> = 26/64, 36%, respectively).</p><p><strong>Conclusions: </strong>This survey highlights the urgent need for educating and training oncologists on AMR, as well as the importance of the development of oncology-specific guidelines to mitigate the impact of AMR in this high-risk population.</p>","PeriodicalId":14594,"journal":{"name":"JAC-Antimicrobial Resistance","volume":"7 4","pages":"dlaf150"},"PeriodicalIF":3.3,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12359028/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144882893","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}