[1] Univ Colorado Denver, Anschutz Med Campus, Dept Pathol, Aurora, CO USA
[2] Coll Amer Pathologists, Learning, Northfield, IL USA
[3] Joint Pathol Ctr, Dept Pathol, Silver Spring, MD USA
[4] Eastern Virginia Med Sch, Dept Anat & Pathol, Norfolk, VA 23501 USA
[5] Penn State Hershey Med Ctr, Dept Pathol, Div Lab Med, Hershey, PA USA
[6] Coll Med, Hershey, PA USA
[7] Vanderbilt Univ, Sch Med, Dept Pathol, Nashville, TN 37212 USA
[8] Univ Oklahoma, Hlth Sci Ctr, Dept Pathol, Oklahoma City, OK USA
[9] Columbia Univ, Dept Pathol & Cell Biol, Med Ctr, New York Presbyterian Hosp, New York, NY USA
[10] ProPath Associates, Pathol, Dallas, TX USA
[11] Georgia Regents Univ, Dept Pathol, Augusta, GA USA
[12] Univ S Alabama, Dept Pathol, Mobile, AL 36688 USA
[13] Houston Methodist Hosp, Dept Pathol, Houston, TX USA