
Department of Otorhinolaryngology, Zagazig University
Egypt

Department of Surgical oncology, Tata Medical Center, Kolkata
India

DOCTOR FACULTY MEMBER, İZMİR KAVRAM VOCATIONAL SCHOOL
Turkey

The second medical school of Chengdu affiliated to Chongqing medical university
China

Department of Science and Translational Medicine, University of Campania “Luigi Vanvitelli”
Italy

Clinical associate professor of medicine , University of Western Australia
Australia

Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok
THAILAND