1. Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos, Lebanon
2. Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
3. Johns Hopkins University School of Medicine, Institute for Brain Protection Sciences, Johns Hopkins All Children's Hospital, Saint Petersburg, USA
4. Division of Hematology and Medical Oncology, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
5. Division of Rheumatology, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon