University of Regensburg, Germany
La Laguna university, Spain
Toronto Metropolitan University, Canada.
Tuskegee University, Albama
Lithuanian University of Health Sciences, Lithuania
West Virginia State University, USA
Bowie State University, USA
Sir Seewoosagur Ramgoolam Medical College, Mauritius
Tbilisi State Medical University, Georgia
National Research Centre, Egypt
Bratislava University of Economics and Management, Slovakia
Health & Technology Research Center, Portugal.
Faculty of Medicine of Itajuba, Brazil
Ohio University, Athens, OH, USA
Iran University of Medical Sciences, Iran
Farmington High School CT, United States
La Trobe University, Australia
Regional Chief Medical Officer, USA
Brazil
Fujita Health University Hospital, Japan
Ajou University School of Medicine, Korea
Buffalo Vascular Care, United States
An-Najah National University Hospital, Israel
Bratislava University of Economics and Management, Slovakia
University of South Florida, USA
Nanjing University, China
Anesthetist, Ethopia
TSM consultant with UNAIDS, Ethiopia
Urmia University of Medical Sciences, Iran.
Debre Berhan University, Ethiopia
National Centre for Research on Suicide Prevention , Pakistan
KLE University, India.
University of Iowa, USA
Universidad de Cuenca, Ecuador
Karlsruhe Institute of Technology, Germany
Iran Unversity, Iran