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Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions.
Sempos, Christopher T; Williams, Emma L; Carter, Graham D; Jones, Julia; Camara, Johanna E; Burdette, Carolyn Q; Hahm, Grace; Nalin, Federica; Duewer, David L; Kuszak, Adam J; Merkel, Joyce; Hoofnagle, Andrew N; Lukas, Pierre; Cavalier, Étienne; Durazo-Arvizu, Ramón A; Crump, Peter M; Popp, Christian; Beckert, Christian; Schultess, Jan; Van Slooten, Glen; Tourneur, Carole; Pease, Camille; Kaul, Ravi; Villarreal, Alfredo; Ivison, Fiona; Fischer, Ralf; van den Ouweland, Jody M W; Ho, Chung S; Law, Emmett W K; Simard, Jean-Nicolas; Gonthier, Renaud; Holmquist, Brett; Batista, Marcelo Cidade; Meadows, Sarah; Cox, Lorna; Jansen, Eugene; Khan, Dilshad Ahmed; Robyak, Kimberly; Creer, Michael H; Kilbane, Mark; Twomey, Patrick J; Freeman, James; Parker, Neil; Yuan, Jinyun; Fitzgerald, Robert; Mushtaq, Sohail; Clarke, Michael W; Breen, Norma; Simpson, Christine; Wise, Stephen A.
Affiliation
  • Sempos CT; Office of Dietary Supplements (ODS), National Institutes of Health (NIH), Bethesda, MD, 20892, USA.
  • Williams EL; Vitamin D Standardization Program LLC, Havre de Grace, MD, 21078, USA.
  • Carter GD; Imperial Healthcare NHS Trust, London, W6 8RF, UK.
  • Jones J; Imperial Healthcare NHS Trust, London, W6 8RF, UK.
  • Camara JE; Imperial Healthcare NHS Trust, London, W6 8RF, UK.
  • Burdette CQ; Chemical Sciences Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
  • Hahm G; Chemical Sciences Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
  • Nalin F; Chemical Sciences Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
  • Duewer DL; Chemical Sciences Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
  • Kuszak AJ; Chemical Sciences Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA.
  • Merkel J; Office of Dietary Supplements (ODS), National Institutes of Health (NIH), Bethesda, MD, 20892, USA.
  • Hoofnagle AN; Office of Dietary Supplements (ODS), National Institutes of Health (NIH), Bethesda, MD, 20892, USA.
  • Lukas P; Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, 98185, USA.
  • Cavalier É; Clinical Chemistry, University of Liège, CHU de Liège, 4000, Liège, Belgium.
  • Durazo-Arvizu RA; Clinical Chemistry, University of Liège, CHU de Liège, 4000, Liège, Belgium.
  • Crump PM; Biostatistics Core, The Sabin Research Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90027, USA.
  • Popp C; Computing and Biometry, University of Wisconsin-Madison, Madison, WI, 53706, USA.
  • Beckert C; Abbott Laboratories, ADD Wiesbaden Abbott GmbH, 65205, Wiesbaden, Germany.
  • Schultess J; Abbott Laboratories, ADD Wiesbaden Abbott GmbH, 65205, Wiesbaden, Germany.
  • Van Slooten G; Abbott Laboratories, ADD Wiesbaden Abbott GmbH, 65205, Wiesbaden, Germany.
  • Tourneur C; Awareness Technology, Inc., Palm City, FL, 34990, USA.
  • Pease C; bioMérieux, 69280, Marcey-l'Étoile, France.
  • Kaul R; bioMérieux, 69280, Marcey-l'Étoile, France.
  • Villarreal A; Bio-Rad Laboratories, Clinical Diagnostics, Hercules, CA, 94547, USA.
  • Ivison F; Bio-Rad Laboratories, Clinical Diagnostics, Hercules, CA, 94547, USA.
  • Fischer R; Central Manchester Foundation Trust, Manchester, M13 9WL, UK.
  • van den Ouweland JMW; Chromsystems Instruments & Chemicals GmbH, 82166, Gräfelfing, Germany.
  • Ho CS; Canisius Wilhelmina Hospital (CWZ), 6532 SZ, Nijmegen, The Netherlands.
  • Law EWK; Biochemical Mass Spectrometry Unit, Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077.
  • Simard JN; Biochemical Mass Spectrometry Unit, Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, 999077.
  • Gonthier R; Endoceutics, Québec, G1P 4P5, Canada.
  • Holmquist B; Endoceutics, Québec, G1P 4P5, Canada.
  • Batista MC; Endocrine Sciences, LabCorp Specialty Testing Group, Agoura Hills, CA, 91301, USA.
  • Meadows S; Clinical Lab, Hospital Israelita Albert Einstein, São Paulo, 05652-900, Brazil.
  • Cox L; Medical Research Council (MRC) Elsie Widdowson Laboratory (Closed Dec. 2018), Cambridge, CB2 0SL, UK.
  • Jansen E; NIHR BRC Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, CB2 0SL, UK.
  • Khan DA; Medical Research Council (MRC) Elsie Widdowson Laboratory (Closed Dec. 2018), Cambridge, CB2 0SL, UK.
  • Robyak K; NIHR BRC Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, CB2 0SL, UK.
  • Creer MH; National Institute of Public Health and the Environment (RIVM), 3720 BA, Bilthoven, The Netherlands.
  • Kilbane M; National University of Medical Sciences (NUMS), Rawalpindi, 46000, Punjab, Pakistan.
  • Twomey PJ; College of Medicine, Penn State University, Hershey, PA, 17033, USA.
  • Freeman J; College of Medicine, Penn State University, Hershey, PA, 17033, USA.
  • Parker N; Clinical Chemistry, St. Vincent's University Hospital, Elm Park, Dublin 4, D04 T6F4, Ireland.
  • Yuan J; Clinical Chemistry, St. Vincent's University Hospital, Elm Park, Dublin 4, D04 T6F4, Ireland.
  • Fitzgerald R; Siemens-Healthineers, Tarrytown, NY, 10591, USA.
  • Mushtaq S; Siemens-Healthineers, Tarrytown, NY, 10591, USA.
  • Clarke MW; SNIBE, Shenzhen, 518122, People's Republic of China.
  • Breen N; Health Clinical Laboratories, University of California at San Diego, La Jolla, CA, 92093, USA.
  • Simpson C; University of Chester, Chester, CH1 4BJ, UK.
  • Wise SA; Metabolomics Australia, Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, Perth, WA, 6009, Australia.
Anal Bioanal Chem ; 414(2): 1015-1028, 2022 Jan.
Article in En | MEDLINE | ID: mdl-34750644
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Full text: 1 Database: MEDLINE Main subject: Vitamin D / Freezing Limits: Humans Language: En Year: 2022 Type: Article
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Full text: 1 Database: MEDLINE Main subject: Vitamin D / Freezing Limits: Humans Language: En Year: 2022 Type: Article