Nightingale CollegeUSA
Grand Medical InstituteUSA
Jackson State UniversityUSA
Warsaw Medical University Poland
University of AlmeriaSpain
Aristotle University of ThessalonikiGreece
Villa Sofia –Cervello Hospital - IVF CENTREItaly
St. John of God - Fatebenefratelli HospitalItaly
Federal University of ParaíbaBrazil
University of West AtticaGreece
University of Western AustraliaAustralia
Mersin UniversityTurkey