1. Department of Basic Sciences; College of Science and Health Professions; King Saud bin Abdulaziz University for Health Sciences; National Guard Health Affairs; Riyadh Saudi Arabia
2. King Abdullah International Medical Research Center; National Guard Health Affairs; Riyadh Saudi Arabia
3. Histogenetics; Ossining NY USA
4. Department of Basic Medical Sciences; College of Medicine; King Saud bin Abdulaziz University for Health Sciences; National Guard Health Affairs; Riyadh Saudi Arabia
5. Saudi Stem Cell Donor Registry; King Abdullah International Medical Research Center; National Guard Health Affairs; Riyadh Saudi Arabia