[1] King Faisal Specialist Hosp & Res Ctr, Adult Hematol Stem Cell Transplant & Cellular The, Ctr Oncol, Riyadh, Saudi Arabia
[2] Zagazig Univ Hosp, Dept Internal Med, Hematol Unit, Zagazig, Egypt
[3] Assiut Univ Hosp, Dept Internal Med, Clin Hematol Unit, Assiut, Egypt