The University of Sydney, Australia
Christian Doppler Medical Center in Salzburg, Austria
Research Fellow at the European Xtramile Centre of African Studies , Belgium
Inner Mongolia People’s Hospital , China
Cairo University, Egypt
Dr. D. Y. Patil College of Physiotherapy, India
UP University of Medical Sciences, India
Shoolini University, India
Aarti Clinics, India
Tabriz University of Medical Sciences, Iran
Kerman University of Medical Sciences, Iran
Tehran University of Medical Sciences, Iran
University Medical Center Groningen, Iraq
Kimron Veterinary Institute, Israel
The Institute of General Pathology and Pathophysiology, Russia
Prasat Neurological Institute, Thailand
University in Nampula, Zimbabwe
University of Louisville, USA
Rutgers University, USA
Spectrum Health, Grand Rapids, USA
University of Auckland, Newzealand
Kabul University of medical science Kabul Afghanistan, Afghanistan
Fann University Hospital Center, Senegal