1. University of North Carolina at Chapel Hill Hemophilia and Thrombosis Center Chapel Hill NC USA
2. The Hemophilia Center at Oregon Health & Science University Portland Oregon USA
3. Center for Bleeding and Clotting Disorders at M Health Fairview Minneapolis Minnesota USA
4. Consultant‐retired Wheatley Ontario Canada
5. Munson Medical Center Traverse City Michigan USA
6. National Hemophilia Foundation New York New York USA
7. University of Colorado School of Medicine Hemophilia and Thrombosis Center Aurora Colorado USA