National University of Medical Sciences

Pakistan

The Hong Kong University of Science and Technology
China

National Institute of Hygiene

Morocco

Cathay General Hospital

 Taiwan

SVIMS University 

Tirupati

Birjand University of Medical Sciences

Iran

National Institute of Hygiene

Morocco

Bushehr University of Medical Sciences
Iran, Islamic Republic of

University of Delhi

India

Avian Pathology Unit
Morocco

University Hospital Dubrava
Croatia

University of Russia

 Russia

University of Marburg

 Germany 

Shiraz University of Medical Sciences

 Iran

National institute of oceanography

Egypt

Prince Sattam bin Abdulaziz University

 Saudi Arabia