title: Preanalytical considerations in the design of clinical trials and epidemiological studies.
authors.affiliation: Departments of Laboratory Medicine and Pathology, Boston Children's Hospital and Harvard Medical School, Boston MA; mark.kellogg@childrens.harvard.edu.
authors.forename: Mark D
authors.initials: MD
authors.lastname: Kellogg
authors.affiliation: Departments of Laboratory Medicine and Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark; Department of the General Population Study, Nykoebing Falster Hospital, Nykoebing Falster, Denmark;
authors.forename: Christina
authors.initials: C
authors.lastname: Ellervik
authors.affiliation: TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School, Boston, MA;
authors.forename: David
authors.initials: D
authors.lastname: Morrow
authors.affiliation: Chief Scientific Officer, Cancer Prevention Institute of California, Consulting Professor of Epidemiology, Stanford School of Medicine, Stanford, CA.
authors.forename: Ann
authors.initials: A
authors.lastname: Hsing
authors.affiliation: Medpace Reference Laboratories and Metabolic & Atherosclerosis Research Center, Cincinnati, OH;
authors.forename: Evan
authors.initials: E
authors.lastname: Stein
authors.affiliation: Pacific Biomarkers, Seattle, WA.
authors.forename: Amar A
authors.initials: AA
authors.lastname: Sethi
mesh_terms: D015415:Biomarkers / Q000032:analysis; D002624:Chemistry, Clinical / Q000592:standards*; D002986:Clinical Trials as Topic; D016021:Epidemiologic Studies; D006801:Humans; D012107:Research Design / Q000592:standards
chemical_list: D015415:Biomarkers