1. Hematology/Oncology; University of Michigan; Ann Arbor MI USA
2. Department of OB/GYN; Duke University Medical Center; Durham NC USA
3. Department of Medicine; Division Hematology/Oncology; University of Pittsburgh and Hemophilia Center of Western Pennsylvania; Pittsburgh PA USA
4. Indiana Hemophilia and Thrombosis Center; Indianapolis IN USA
5. Hematology; The Children's Hospital of Philadelphia; Philadelphia PA USA
6. University of Pennsylvania; Philadelphia PA USA
7. Bloodworks Northwest; Seattle WA USA
8. Department of Medicine; Division of Hematology; University of Washington; Seattle WA USA