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Ejdys E, Kulesza K, Wiśniewski P, Pajewska M, Sucharzewska E. Window seals as a source of yeast contamination. Lett Appl Microbiol 2022; 75:1021-1027. [DOI: 10.1111/lam.13757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 04/26/2022] [Accepted: 05/29/2022] [Indexed: 11/30/2022]
Affiliation(s)
- E. Ejdys
- Department of Microbiology and Mycology, Faculty of Biology and Biotechnology University of Warmia and Mazury in Olsztyn Oczapowskiego 1A 10‐719 Olsztyn Poland
| | - K. Kulesza
- Department of Microbiology and Mycology, Faculty of Biology and Biotechnology University of Warmia and Mazury in Olsztyn Oczapowskiego 1A 10‐719 Olsztyn Poland
| | - P. Wiśniewski
- Department of Microbiology and Mycology, Faculty of Biology and Biotechnology University of Warmia and Mazury in Olsztyn Oczapowskiego 1A 10‐719 Olsztyn Poland
| | - M.S. Pajewska
- Department of Microbiology and Mycology, Faculty of Biology and Biotechnology University of Warmia and Mazury in Olsztyn Oczapowskiego 1A 10‐719 Olsztyn Poland
| | - E. Sucharzewska
- Department of Microbiology and Mycology, Faculty of Biology and Biotechnology University of Warmia and Mazury in Olsztyn Oczapowskiego 1A 10‐719 Olsztyn Poland
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Kochan K, Bedolla DE, Perez-Guaita D, Adegoke JA, Chakkumpulakkal Puthan Veettil T, Martin M, Roy S, Pebotuwa S, Heraud P, Wood BR. Infrared Spectroscopy of Blood. APPLIED SPECTROSCOPY 2021; 75:611-646. [PMID: 33331179 DOI: 10.1177/0003702820985856] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The magnitude of infectious diseases in the twenty-first century created an urgent need for point-of-care diagnostics. Critical shortages in reagents and testing kits have had a large impact on the ability to test patients with a suspected parasitic, bacteria, fungal, and viral infections. New point-of-care tests need to be highly sensitive, specific, and easy to use and provide results in rapid time. Infrared spectroscopy, coupled to multivariate and machine learning algorithms, has the potential to meet this unmet demand requiring minimal sample preparation to detect both pathogenic infectious agents and chronic disease markers in blood. This focal point article will highlight the application of Fourier transform infrared spectroscopy to detect disease markers in blood focusing principally on parasites, bacteria, viruses, cancer markers, and important analytes indicative of disease. Methodologies and state-of-the-art approaches will be reported and potential confounding variables in blood analysis identified. The article provides an up to date review of the literature on blood diagnosis using infrared spectroscopy highlighting the recent advances in this burgeoning field.
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Affiliation(s)
- Kamila Kochan
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - Diana E Bedolla
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - David Perez-Guaita
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - John A Adegoke
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | | | - Miguela Martin
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - Supti Roy
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - Savithri Pebotuwa
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - Philip Heraud
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
| | - Bayden R Wood
- 2541Monash University - Centre for Biospectroscopy, Clayton, Victoria, Australia
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Shoham S, Dominguez EA. Emerging fungal infections in solid organ transplant recipients: Guidelines of the American Society of Transplantation Infectious Diseases Community of Practice. Clin Transplant 2019; 33:e13525. [PMID: 30859651 DOI: 10.1111/ctr.13525] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 02/27/2019] [Indexed: 12/13/2022]
Abstract
These updated AST-IDCOP guidelines review the epidemiology, diagnosis, and management of emerging fungi after organ transplantation. Infections due to numerous generally innocuous fungi are increasingly recognized in solid organ transplant (SOT) recipients, comprising about 7%-10% of fungal infections in this setting. Such infections are collectively referred to as emerging fungal infections and include Mucormycetes, Fusarium, Scedosporium, and dematiaceous fungi among others. The causative organisms are diverse in their pathophysiology, uncommon in the clinical setting, have evolving nomenclature, and are often resistant to multiple commonly used antifungal agents. In recent years significant advances have been made in understanding of the epidemiology of these emerging fungal infections, with improved diagnosis and expanded treatment options. Still, treatment guidelines are generally informed by and limited to experience from cohorts of patients with hematological malignancies and/or solid and stem cell transplants. While multicenter randomized controlled trials are not feasible for these uncommon infections in SOT recipients, collaborative prospective studies can be valuable in providing information on the epidemiology, clinical manifestations, treatment strategies, and outcomes associated with the more commonly encountered infections.
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Affiliation(s)
- Shmuel Shoham
- Transplant and Oncology Infectious Diseases Program, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Edward A Dominguez
- Organ Transplant Infectious Disease, Methodist Transplant Specialists, Dallas, Texas
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Manuel O, Ison MG. Prevention and Treatment of Yeast and Endemic Fungal Infections. INFECTIOUS DISEASES IN SOLID-ORGAN TRANSPLANT RECIPIENTS 2019. [PMCID: PMC7138456 DOI: 10.1007/978-3-030-15394-6_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Invasive fungal infections (IFIs) remain an important complication of solid organ transplantation owing to their significant morbidity and mortality and include infections due to Candida, Cryptococcus, endemic mycosis, and other rare yeasts and molds. IFIs occur in different intervals posttransplantation and depend on a number of extrinsic and intrinsic risk factors, some of which are specific to the type of organs transplanted, surgical techniques, and type of immunosuppressive medications. Donor-derived IFIs and emergence of new multidrug-resistant yeasts have been reported in various healthcare settings. Clinical manifestations of yeast and endemic fungal infections vary in different types of organ transplants. Diagnosis of IFIs in SOT recipients is challenging due to their nonspecific signs and symptoms owing to the impaired inflammatory responses as a result of immunosuppression and the lack of highly sensitive and specific diagnostic modalities. Early diagnosis is key to successful therapy, and physicians should have a high index of suspicion based on risk factors and epidemiology of these pathogens. Antifungal treatment strategies for yeast infections have been outlined in various society guidelines. Management of complications that arise before or during antifungal therapy is critical for optimizing clinical response.
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Affiliation(s)
- Oriol Manuel
- Infectious Diseases Service and Transplantation Center, University Hospital of Lausanne, Lausanne, Switzerland
| | - Michael G Ison
- School of Medicine, Northwestern University Feinberg, Chicago, IL USA
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Ioannou P, Vamvoukaki R, Samonis G. Rhodotorulaspecies infections in humans: A systematic review. Mycoses 2018; 62:90-100. [DOI: 10.1111/myc.12856] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 09/19/2018] [Accepted: 09/22/2018] [Indexed: 01/20/2023]
Affiliation(s)
- Petros Ioannou
- Department of Internal Medicine & Infectious Diseases; University Hospital of Heraklion; Heraklion Greece
| | - Rodanthi Vamvoukaki
- Department of Internal Medicine & Infectious Diseases; University Hospital of Heraklion; Heraklion Greece
| | - George Samonis
- Department of Internal Medicine & Infectious Diseases; University Hospital of Heraklion; Heraklion Greece
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George SMC, Quante M, Cubbon MD, MacDiarmaid-Gordon AR, Topham EJ. A case of cutaneousRhodotorulainfection mimicking cryptococcosis. Clin Exp Dermatol 2016; 41:911-914. [DOI: 10.1111/ced.12959] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2016] [Indexed: 11/30/2022]
Affiliation(s)
- S. M. C. George
- Department of Dermatology; Brighton and Sussex University Hospitals NHS Trust; Brighton UK
| | - M. Quante
- Department of Cellular Pathology; Brighton and Sussex University Hospitals NHS Trust; Brighton UK
| | - M. D. Cubbon
- Department of Microbiology; Brighton and Sussex University Hospitals NHS Trust; Brighton UK
| | | | - E. J. Topham
- Department of Dermatology; Brighton and Sussex University Hospitals NHS Trust; Brighton UK
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Bentubo HDL, Mantovani A, Yamashita JT, Gambale W, Fischman O. Yeasts of the genital region of patients attending the dermatology service at Hospital São Paulo, Brazil. Rev Iberoam Micol 2015; 32:229-34. [PMID: 25958329 DOI: 10.1016/j.riam.2014.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 09/27/2014] [Accepted: 11/18/2014] [Indexed: 10/23/2022] Open
Abstract
BACKGROUND The knowledge of the diversity of yeasts that make up the skin microbiota of human beings is essential for the efficient monitoring of infections to which a person may be predisposed. AIMS This study identified yeasts comprising the genital skin microbiota of patients attending the Dermatology Service at the Hospital São Paulo-UNIFESP, Brazil. METHODS Samples were collected from the genital region of each patient and cultured on Sabouraud dextrose agar. Individual colonies were carefully transferred to tubes daily. Yeasts were identified based on classical methodologies and confirmed using a commercial kit. RESULTS Eighty-three patients were included in the study. Approximately 80% were women and 20% were men. The average age was 55 years. Hypertension, diabetes, kidney transplant and AIDS were the main underlying diseases reported by the patients. The most prevalent yeasts were Candida parapsilosis (36.1%), Rhodotorula mucilaginosa (9.2%), Rhodotorula glutinis (8.3%), Candida tropicalis (5.5%) and Trichosporon inkin (1.8%). Approximately 78% of the isolates were obtained in pure cultures. Trichosporon inkin was isolated only from women, in contrast to literature describing a high prevalence in males. CONCLUSIONS Our results suggest that Candida albicans is not the main yeast found on genital skin as previously thought, and opportunistic pathogens such as C. parapsilosis, C. tropicalis, Rhodotorula spp. and T. inkin make up the genital skin microbiota, representing a risk for infection in immunocompromised subjects. These results also indicate that women are carriers of T. inkin, the etiological agent of white piedra and trichosporonosis.
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Affiliation(s)
| | - Ariane Mantovani
- Biomedical Intern in the Department of Cell Biology, Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo (UNIFESP/EPM), São Paulo, SP, Brazil
| | - Jane Tomimori Yamashita
- Department of Dermatology, Federal University of São Paulo (UNIFESP/EPM), São Paulo, SP, Brazil
| | - Walderez Gambale
- Department of Microbiology, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Olga Fischman
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo (UNIFESP/EPM), São Paulo, SP, Brazil
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Menon S, Gupta HR, Sequeira R, Chavan S, Gholape D, Amandeep S, Bhilave N, Chowdhary AS. Rhodotorula glutinismeningitis: a case report and review of literature. Mycoses 2014; 57:447-51. [DOI: 10.1111/myc.12180] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 01/21/2014] [Accepted: 01/30/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Sarala Menon
- Department of Microbiology; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - H. R. Gupta
- Department of General Medicine; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - R. Sequeira
- Department of General Medicine; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - Shazia Chavan
- Department of Microbiology; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - D. Gholape
- Department of General Medicine; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - S. Amandeep
- Department of Microbiology; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - N. Bhilave
- Department of General Medicine; Grant Government Medical College and Sir J J Hospital; Mumbai India
| | - A. S. Chowdhary
- Department of Microbiology; Grant Government Medical College and Sir J J Hospital; Mumbai India
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Yamamoto M, Takakura S, Hotta G, Matsumura Y, Matsushima A, Nagao M, Ito Y, Ichiyama S. Clinical characteristics and risk factors of non-Candida fungaemia. BMC Infect Dis 2013; 13:247. [PMID: 23714136 PMCID: PMC3668224 DOI: 10.1186/1471-2334-13-247] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2012] [Accepted: 05/15/2013] [Indexed: 12/03/2022] Open
Abstract
Background The incidence of fungaemia has been increasing worldwide. It is important to distinguish non-Candida fungaemia from candidaemia because of their different antifungal susceptibilities. The aims of this study were to investigate the clinical characteristics of non-Candida fungaemia and identify the clinical factors that differentiate it from candidaemia. Methods We investigated the clinical manifestations and mortality of non-Candida fungaemia in Kyoto University Hospital from 2004 to 2009. Results There were 110 episodes of fungaemia during the study period. There were 11 renal replacement therapy episodes of fungaemia due to non-Candida yeasts (10.0%), including 6 episodes with Cryptococcus neoformans, 4 with Trichosporon asahii, and 1 with Kodamaea ohmeri, in addition to 99 episodes of candidaemia (90.0%). The presence of collagen disease [odds ratio (OR) 9.00; 95% confidence interval (CI) 1.58-51.4; P = 0.01] or renal replacement therapy (OR 15.0; 95% CI 3.06-73.4; P < 0.01) was significantly more common in non-Candida fungaemia patients than in candidaemia patients. Prior colonisation by the species may be a predictor of non-Candida fungaemia. Non-Candida fungaemia had a higher mortality than candidaemia (54.5% versus 21.2%, P = 0.03). Conclusions Although Candida species frequently cause fungaemia, we should also be aware of non-Candida yeasts because of their high mortality, particularly among high-risk patients, such as those with collagen disease and those under renal replacement therapy. Prior colonisation by the causative organisms may be an important predictor of non-Candida fungaemia.
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Affiliation(s)
- Masaki Yamamoto
- Department of Clinical Laboratory Medicine, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 6068507, Japan
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Abstract
The most important emerging and rare fungal pathogens in solid organ transplant recipients are the Zygomycetes, Scedosporium, Fusarium, and the dark molds. Factors affecting the emergence of these fungi include the combination of intensive immunosuppressive regimens with increasingly widespread use of long-term azole antifungal therapy; employment of aggressive diagnostic approaches (eg, sampling of bronchoalveolar lavage fluid); and changes in patients' interactions with the environment. This article reviews the epidemiology, microbiology, and clinical impact of emerging fungal infections in solid organ transplant recipients, and provides up-to-date recommendations on their treatment.
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Affiliation(s)
- Shmuel Shoham
- Transplant and Oncology Infectious Diseases Program, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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Huprikar S, Shoham S. Emerging fungal infections in solid organ transplantation. Am J Transplant 2013; 13 Suppl 4:262-71. [PMID: 23465019 DOI: 10.1111/ajt.12118] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- S Huprikar
- Transplant Infectious Diseases Program, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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Epidemiology of Rhodotorula: an emerging pathogen. Interdiscip Perspect Infect Dis 2012; 2012:465717. [PMID: 23091485 PMCID: PMC3469092 DOI: 10.1155/2012/465717] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Accepted: 09/07/2012] [Indexed: 11/17/2022] Open
Abstract
This is an updated paper focusing on the general epidemiological aspects of Rhodotorula in humans, animals, and the environment. Previously considered nonpathogenic, Rhodotorula species have emerged as opportunistic pathogens that have the ability to colonise and infect susceptible patients. Rhodotorula species are ubiquitous saprophytic yeasts that can be recovered from many environmental sources. Several authors describe the isolation of this fungus from different ecosystems, including sites with unfavourable conditions. Compared to R. mucilaginosa, R. glutinis and R. minuta are less frequently isolated from natural environments. Among the few references to the pathogenicity of Rhodotorula spp. in animals, there are several reports of an outbreak of skin infections in chickens and sea animals and lung infections and otitis in sheep and cattle. Most of the cases of infection due to Rhodotorula in humans were fungemia associated with central venous catheter (CVC) use. The most common underlying diseases included solid and haematologic malignancies in patients who were receiving corticosteroids and cytotoxic drugs, the presence of CVC, and the use of broad-spectrum antibiotics. Unlike fungemia, some of the other localised infections caused by Rhodotorula, including meningeal, skin, ocular, peritoneal, and prosthetic joint infections, are not necessarily linked to the use of CVCs or immunosuppression.
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Spiliopoulou A, Anastassiou ED, Christofidou M. Rhodotorula fungemia of an intensive care unit patient and review of published cases. Mycopathologia 2012; 174:301-9. [PMID: 22576941 DOI: 10.1007/s11046-012-9552-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2012] [Accepted: 04/23/2012] [Indexed: 11/26/2022]
Abstract
Rhodotorula species are commensal yeasts that have emerged as a cause of life-threatening fungemia in severely immunocompromised patients. A case of Rhodotorula mucilaginosa fungemia in a 48-year-old woman that had undergone consecutive abdominal surgeries due to ovarian cancer and bowel necrosis while she was receiving fluconazole prophylaxis is presented. Several risk factors were identified such as presence of central venous catheters, solid organ neoplasm, abdominal surgery and administration of antibiotics. Identification was performed using commercial systems. The yeast was resistant to fluconazole, posaconazole and voriconazole and to echinocandins, whereas MIC to amphotericin B was 1.5 mg/L. Furthermore, published cases of Rhodotorula spp fungemia during the last decade are reviewed. In conclusion, Rhodotorula spp must be considered a potential pathogen in patients with immunosupression and central venous catheters. Correct identification is mandatory for appropriate management, as Rhodotorula spp are resistant to antifungal agents, such as fluconazole and echinocandins.
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Affiliation(s)
- Anastasia Spiliopoulou
- Department of Microbiology, School of Medicine, University of Patras, 26500 Patras, Greece
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Miceli MH, Díaz JA, Lee SA. Emerging opportunistic yeast infections. THE LANCET. INFECTIOUS DISEASES 2011; 11:142-51. [PMID: 21272794 DOI: 10.1016/s1473-3099(10)70218-8] [Citation(s) in RCA: 544] [Impact Index Per Article: 41.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Marisa H Miceli
- Department of Internal Medicine, Oakwood Hospital and Medical Center, Dearborn, MI, USA
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Kubak BM, Huprikar SS. Emerging & rare fungal infections in solid organ transplant recipients. Am J Transplant 2009; 9 Suppl 4:S208-26. [PMID: 20070683 DOI: 10.1111/j.1600-6143.2009.02913.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- B M Kubak
- Division of Infectious Diseases, David Geffen School of Medicine at UCLA. Ronald Reagan UCLA Medical Center, Los Angeles, CA, USA.
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Thompson GR, Lewis JS. Pharmacology and clinical use of voriconazole. Expert Opin Drug Metab Toxicol 2009; 6:83-94. [DOI: 10.1517/17425250903463878] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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