Universidade Lusófona, Lisbon, Portugal
Leiden University Medical Center, Leiden, Zuid-Holland, Netherlands
Leiden University Medical Centre, Leiden, Zuid-Holland, Netherlands
University of Vic - Central University of Catalonia, Vic, Spain
Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
West China Hospital of Sichuan University, Chengdu, Sichuan, China
Central Taiwan University of Science and Technology, Taichung, Taiwan
Cairo Univercity, Egypt, Egypt
Assiut Univeristy Heart Hospital, Assiut, Egypt