1. Northern Regional Bleeding Disorders Center at Munson Medical Center, 1105 Sixth Street, Traverse City, MI 49684, Michigan , USA
2. Center for Cancer and Blood Disorders, Children’s National Health System, 111 Michigan Avenue, NW, Washington DC , USA
3. Indiana Hemophilia & Thrombosis Treatment Center, 8326 Naab Road, Indianapolis , IN 46260, USA