Cambell state University
USA
Chungbuk National University
Republic of Korea
Faculty of Medicine, Cairo University
Egypt
Fayoum University
Egypt
Port-Said University and Ismailia
General Hospital
Egypt
Hellenic Open University
Greece
Federal University of Alagoas
Brazil
Universidade Federal de Mato Grosso
Brazil
La Universidad del Zulia
Venezuela
Michael Okpara University
of Agriculture
Nigeria
University of Minho
Portugal
Harvard University
USA
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