[1] Univ Pittsburgh, Med Ctr, Dept Pathol, Pittsburgh, PA 15213 USA
[2] AmeriPath Indiana, Dept Esoter Testing, Indianapolis, IN USA
[3] PeaceHlth Labs, Dept Pathol, Vancouver, WA USA
[4] Univ Cent Florida, Clin Sci, Orlando, FL 32816 USA
[5] Massachusetts Gen Hosp, Dept Pathol, Boston, MA 02114 USA
[6] Baylor Coll Med, Dept Pathol, Houston, TX 77030 USA
[7] North Shore LIJ Hlth Syst, Dept Pathol, New Hyde Pk, NY USA
[8] Univ Massachusetts, Sch Med, Dept Pathol, Worcester, MA 01605 USA
[9] Mayo Clin, Dept Pathol, Scottsdale, AZ USA
[10] Coll Amer Pathologists, Biostat, Northfield, IL USA
[11] Univ Rochester, Dept Pathol, Med Ctr, Rochester, NY 14627 USA
[12] Univ Kansas, Med Ctr, Dept Pathol, Kansas City, KS USA
[13] Walter Reed Natl Mil Med Ctr, Dept Pathol, Bethesda, MD USA