Armed Force Hospital, Southern Region, Khamis Mushayt, KSA;
Department of Medicine, King Khalid University, Abha, KSA;
Department of Medicine, Sher-i-Kashmir Institute of Medical Sciences, Soura, India;
Departmrent of Medical Oncology, Sher-i-Kashmir Institute of Medical Sciences, Soura, India;
Departmrnt of Gastroenterology, Sher-i-Kashmir Institute of Medical Sciences, Soura, India;