1. Laboratories of Pathology, University of Maryland Medical Center, Baltimore, MD
2. Weill Cornell Medical Center/NYP, New York, NY
3. Li Ka Shing Institute of Health Sciences and Department of Chemical Pathology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong SAR, China
4. University of Washington, Seattle, WA
5. Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, PA
6. UT Southwestern Medical Center and Children's Medical Center, Pathology Department, Dallas, TX