Hospital Clínico Universitario de Valladolid, Valladolid, Spain
H. de Manacor, Mallorca, Spain
Hospital Costa del Sol, Marbella (Málaga), Spain
University General Hospital Attikon, Athens, Greece
Okayama University Hospital, Okayama, Okayama, Japan
Centenario Hospital Miguel Hidalgo, Aguascalientes, Mexico
PRA Health Sciences Onderzoekscentrum Martini, Groningen, Netherlands
Centre for Clinical Epidemiology, McGill University, Montreal, Canada
Otto-Wagner Hospital, Vienna, Austria
Bringham Women Hospital, Boston, Massachusetts, United States
Mazumdar Shaw Medical centre, Bangalore, India
Care Hospital, Hyderabad, India
Columbia Asia Referral Hospital, Bengaluru, India
Collaborative Neuroscience Network, LLC (CNS), Torrance, California, United States
Reliable Clinical Research, Hialeah, Florida, United States
Hassman Research Institute, Berlin, New Jersey, United States
CRS Clinical Research Services Mannheim GmbH, Mannheim, Germany
Guangdong Provincial People's Hospital, Guangzhou, China
Cardiovascular Institute and Fu Wai Hospital, Beijing, China
Beijing AnZhen Hospital, Beijing, China