1. Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, School of Medicine, The University of Jordan, Jordan University Hospital, Amman, Jordan.
2. Department of Genetics, Harvard Medical School, Boston, Massachusetts.
3. Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
4. Howard Hughes Medical Institute, Chevy Chase, Maryland.
5. Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
6. Broad Institute of MIT and Harvard, Cambridge, Massachusetts.
7. Department of Internal Medicine, Prince Hamza Hospital, The Ministry of Health, Amman, Jordan.