University of Mainz
Germany
Pusan National University
South Korea
University of Crete
Greece
Indian Institute of Technology
India
Peking University Third Hospital
China
Institute of Pathology
Germany
Harvard Medical School
USA
University of Messina
Italy
Centre of Excellence in Nutraceuticals, Kerala.
India
University of Texas San Antonio
USA
Kuwait University
Saudi Arabia
Seoul National University Bundang Hospital, Republic of Korea
South Korea
University of Naples Federico II
Italy
Radio-oncologist, Mexican Institute of Social Security
Mexico
Ningxia Medical University
China
Royal Bahrain hospital
Bahrain
University Hospital of Santa Maria
Brazil
