1. From the Department of Psychiatry and Human Behavior, Brown University School of Medicine, Providence, Rhode Island;
2. Department of Psychology, Xavier University, Cincinnati, Ohio;
3. Department of Psychology, New Jersey City University, Jersey City, New Jersey;
4. Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;
5. New England Hemophilia Center, University of Massachusetts Memorial Hospital, Worcester, Massachusetts;
6. Hemophilia Care Program, Puget Sound Blood Center, Seattle, Washington;
7. Department of Biobehavioral Health, Pennsylvania State University, University Park, Pennsylvania;
8. Division of Hematology, University of Colorado Health Sciences Center, Aurora, Colorado; and the
9. Division of Hematology, Mount Sinai Medical Center, New York, New York.