[1] Univ Pittsburgh, Sch Med, Pathol, Pittsburgh, PA USA
[2] UPMC Mercy, Pittsburgh, PA USA
[3] UPMC Childrens Hosp, Automated Testing Labs, Pittsburgh, PA USA
[4] UPMC Presbyterian Clin Immunopathol Lab, Pittsburgh, PA USA
[5] Univ Pittsburgh, Sch Med, Crit Care Med & Clin & Translat Sci, Pathol, Pittsburgh, PA USA
[6] UPMC Presbyterian & Shadyside, Automated Testing Labs, Pittsburgh, PA USA
[7] Kaiser Permanente Washington Labs, Portland, OR USA
[8] Univ Washington, Dept Lab Med, Seattle, WA 98195 USA
[9] UT Southwestern Med Sch, Pathol, Dallas, TX USA
[10] UT Southwestern Med Sch, Eugene McDermott Ctr Human Growth & Dev, Dallas, TX USA
[11] Henry Ford Hlth Syst, Chem, Detroit, MI USA
[12] Johns Hopkins Sch Med, Pathol, Baltimore, MD USA
[13] Johns Hopkins Bayview Med Ctr, Pathol Clin Labs, Baltimore, MD 21224 USA
[14] Natl Inst Minor Hlth & Hlth Dispar NIMHD, NIH, Bethesda, MD USA