[1] Amer Univ Beirut, Med Ctr, Dept Psychiat, Beirut, Lebanon
[2] Kings Coll Hosp London, Dept Haematol, London, England
[3] AK & Kind, Bucharest, Romania
[4] Univ Milan, Dept Clin Sci & Community Hlth, Milan, Italy
[5] Burjeel Med City, Ctr Res Rare Blood Disorders CR RBD, Abu Dhabi, U Arab Emirates
[6] Amer Univ Beirut, Med Ctr, Dept Internal Med, Beirut, Lebanon
[7] Amer Univ Beirut, Naef K Basile Canc Inst, Dept Internal Med, Med Ctr,Med Hematol & Oncol, POB 11-0236, Beirut 11072020, Lebanon