[1] An Najah Natl Univ Hosp, Dept Med, Nablus, Palestine
[2] Al Watani Hosp, Internal Med, Minist Hlth, Nablus, Palestine
[3] An Najah Natl Univ Hosp, Dept Internal Med, Nablus, Palestine
[4] Palestinian Minist Hlth, Dept Internships, Nablus, Palestine
[5] Annajah Natl Univ Hosp, Fac Med & Hlth Sci, Dept Hematol, Nablus, Palestine
[6] Annajah Natl Univ Hosp, Dept Vasc Surg, Nablus, Palestine