1. Division of Hematology; Department of Medicine; Mayo Clinic; Rochester MN USA
2. Division of Internal Medicine; Department of Medicine; Mayo Clinic; Rochester MN USA
3. Division of Pediatric Hematology and Oncology; Department of Pediatric and Adolescent Medicine; Mayo Clinic; Rochester MN USA
4. Special Coagulation Laboratory; Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester MN USA