1. Hematology Division, Department of Medicine Mayo Clinic Rochester Minnesota USA
2. Department of Lab Medicine and Pathology Mayo Clinic Rochester Minnesota USA
3. Department of Pathology University of Utah Salt Lake City Utah USA
4. ARUP Laboratories Salt Lake City Utah USA
5. Department of Pathology and Molecular Medicine McMaster University, and the Hamilton Regional Laboratory Medicine Program Hamilton Ontario Canada
6. Department of Medicine McMaster University Hamilton Ontario Canada