Famagusta State Hospital
Cyprus
Cedars Sinai Division of Otolaryngology
USA
Imperial College London
UK
Hubei University of Arts and Science
China
Cedars-Sinai Medical Center
USA
Alexandria university
Egypt
University of Monastir
Tunisia
University of Vienna , Austria
Austria
IIT CLN2S/CNR Nanotec
Italy
Federal University of Rio de Janeiro
Brazil
Peking university school and hospital of stomatology
China
Islamic Azad University
Iran
University of Bologna
Italy
National Polytechnic Institute
Mexico
Polytechnic Institute of Lisbon
Portugal
Hassan II University,
Morocco
University of Oradea
Romania
Doctor of Science in Dentistry in Endodontics from King Saud University
UAE
North-West University
South Africa
Central Asian University
Uzbekistan
University Hosptital Salzburg
Austria
Frankfurt University Hospital
Germany
Guangzhou Red Gross Hospital
China
Uppsala University
Sweden
Nepalese Army Institute of Health Sciences College of Medicine
India
