Surgery, School of Medicine, Creighton University
Barrow Neurological Institute (United States, Phoenix)
St. Joseph's Hospital and Medical Center (United States, Phoenix)
Weill Cornell Medicine (United States, New York) - WCM
Irkutsk Scientific Center of Surgery and Traumatology (Russia, Irkutsk) - INTSHT
Federal University of Minas Gerais (Brazil, Belo Horizonte) - UFMG
Montreal Neurological Institute and Hospital (Canada, Montreal) - MNI
McGill University (Canada, Montreal)