1. Department of Pathology, ARUP Institute for Clinical & Experimental Pathology, University of Utah, Salt Lake City, UT
2. ARUP Laboratories, Salt Lake City, UT
3. Department of Pathology, University of Arizona, Tucson, AZ
4. Departments of Pathology & Anatomical Sciences and Child Health, University of Missouri-Columbia School of Medicine, Columbia, MO
5. Queen Beatrix Hospital, Winterswijk, The Netherlands