Professor
Johns Hopkins University School of Medicine
USA
Postdoctoral Research Associate
University of Wisconsin-Madison
Research Associate
University of California
Gunma University
Japan
Phoenicia University
Lebanon
International Telematic University Uninettuno
Italy
University of Catania
University of West Attica
Greece
Assistant Professor
Inono University
Turkey
Visiting Professor
Federal University of Alfenas
Brazil
Woosong University
South korea
Debre Berhan University
Mozambique
