Tariq Parvez
Department of Oncology, King Fahad Hospital, Al-Madina Al-Munawar, KSA
Bakr Nasir Abdullah
Department of Surgery, King Fahad Hospital, Al Madina Al Munawara, KSA
Abdul Rehman Saleh Mahrou
Department of Gastroenterology, King Fahad Hospital, Al Madina Al Munawara, Kingdom of Saudi Arabia