Universidad Autonoma de Nuevo Leon - Mexico
Cho Ray Hospital - USA
Amiens university Hospital - France
University of Catanzaro - Italy
University of Franca - Brazil
Asahikawa Medical University - Japan
Mukogawa Women's University - Japan
Lodong pohai hospital - Tiwan
Shanghai jiao Tong university - China
University of Milan - Italy
Mitoyo General Hospital - Japan
Yonsei University - Korea
Aix Marseille Universite - France
Doctor Peset University Hospital - Spain