title: Role of Assay Type in Determining Free 25-Hydroxyvitamin D Levels in Diverse Populations.
authors.affiliation: Oregon Health and Science University, Portland, OR.
authors.forename: Carrie M
authors.initials: CM
authors.lastname: Nielson
authors.affiliation: Medical Research Council Human Nutrition Research, Cambridge, United Kingdom.
authors.forename: Kerry S
authors.initials: KS
authors.lastname: Jones
authors.affiliation: KU Leuven, Leuven, Belgium roger.bouillon@med.kuleuven.be.
authors.forename: Roger
authors.initials: R
authors.lastname: Bouillon
authors.affiliation: University of California, Los Angeles, Los Angeles, CA.
authors.forename: Rene F
authors.initials: RF
authors.lastname: Chun
authors.affiliation: Pacific Northwest National Laboratory, Richland, WA.
authors.forename: Jon
authors.initials: J
authors.lastname: Jacobs
authors.affiliation: Oregon Health and Science University, Portland, OR.
authors.forename: Ying
authors.initials: Y
authors.lastname: Wang
authors.affiliation: University of Birmingham, Birmingham, United Kingdom.
authors.forename: Martin
authors.initials: M
authors.lastname: Hewison
authors.affiliation: University of California, Los Angeles, Los Angeles, CA.
authors.forename: John S
authors.initials: JS
authors.lastname: Adams
authors.affiliation: University of Colorado, Denver, CO.
authors.forename: Christine M
authors.initials: CM
authors.lastname: Swanson
authors.affiliation: Portland Veterans Affairs Medical Center, Portland, OR.
authors.forename: Christine G
authors.initials: CG
authors.lastname: Lee
authors.affiliation: KU Leuven, Leuven, Belgium.
authors.forename: Dirk
authors.initials: D
authors.lastname: Vanderschueren
authors.affiliation: KU Leuven, Leuven, Belgium.
authors.forename: Steven
authors.initials: S
authors.lastname: Pauwels
authors.affiliation: Medical Research Council Human Nutrition Research, Cambridge, United Kingdom.
authors.forename: Ann
authors.initials: A
authors.lastname: Prentice
authors.affiliation: Pacific Northwest National Laboratory, Richland, WA.
authors.forename: Richard D
authors.initials: RD
authors.lastname: Smith
authors.affiliation: Pacific Northwest National Laboratory, Richland, WA.
authors.forename: Tujin
authors.initials: T
authors.lastname: Shi
authors.affiliation: Pacific Northwest National Laboratory, Richland, WA.
authors.forename: Yuqian
authors.initials: Y
authors.lastname: Gao
authors.affiliation: University of Pittsburgh, Pittsburgh, PA.
authors.forename: Joseph M
authors.initials: JM
authors.lastname: Zmuda
authors.affiliation: Oregon Health and Science University, Portland, OR.
authors.forename: Jodi
authors.initials: J
authors.lastname: Lapidus
authors.affiliation: University of Pittsburgh, Pittsburgh, PA.
authors.forename: Jane A
authors.initials: JA
authors.lastname: Cauley
authors.affiliation: Medical Research Council Human Nutrition Research, Cambridge, United Kingdom.
authors.forename: Inez
authors.initials: I
authors.lastname: Schoenmakers
authors.affiliation: Oregon Health and Science University, Portland, OR.
authors.forename: Eric S
authors.initials: ES
authors.lastname: Orwoll
mesh_terms: D001741:Black or African American; D001774:Blood Chemical Analysis / Q000379:methods*; D002853:Chromatography, Liquid; D004797:Enzyme-Linked Immunosorbent Assay; D006801:Humans; D008297:Male; D012016:Reference Values; D053719:Tandem Mass Spectrometry; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood; D044465:White People
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D