Guangdong Medical University
China
Austin Institute of Dental Medicine
USA
Director of the Oral Health Project
UK
Basal Implantology at the University of Nice
Israel
University of Santiago de Compostela
Spain
Chongqing University Cancer Hospital
China
National Research Centre
Egypt
National Research Centre
Egypt
Federal University of Paraíba
Brazil
Ain Shams University
Egypt
University of Iowa College of Public Health
USA
Anhalt University of Applied sciences.
Germany
Dental Office, Artistic Smile Studio,Tarnów
Poland
National Research Medical Center
Russia
National Taiwan University Hospital
Taiwan
Doctor of Science in Dentistry in Endodontics from King Saud University
UAE