1. Abbas Khan Khattak:
Department of Gastro-enterology, Lady Reading Hospital, Peshawar - Pakistan
2. Ahmad Nawaz Babar:
Department of Gastro-enterology, Lady Reading Hospital, Peshawar - Pakistan
3. Moeen-Ul-Haq:
Department of Gastro-enterology, Lady Reading Hospital, Peshawar - Pakistan
4. Muhammad Kamran Hassan:
Department of Gastro-enterology, Lady Reading Hospital, Peshawar - Pakistan