Herzzentrum Leipzig, Leipzig, Germany
Kliniken Villingen-Schwenningen, Villingen-Schwenningen, Germany
Deutsches Herzzentrum München des Freistaates Bayern, München, Germany
North Mississippi Medical Center, Tupelo, Mississippi, United States
Ochsner Medical Center, New Orleans, Louisiana, United States
Henry Ford Hospital, Detroit, Michigan, United States
Hospital Clinico San Borja Arriaran, Santiago, Chile
Helsinki University Central Hospital, Helsinki, Uusimaa, Finland
Internistische Klinik Dr. Müller, München-Thalkirchen, Muenchen, Bavaria, Germany
New Mexico Heart Institute, Albuquerque, New Mexico, United States
Kardiologische Gemeinschaftspraxis am Park Sanssouci, Potsdam, Brandenburg, Germany
Herz- und Gefäßklinik, Bad Neustadt An Der Saale, Bayern, Germany
Klinikum Coburg GmbH, Coburg, Bayern, Germany
Kardiologische Gemeinschaftspraxis am Park Sanssouci, Potsdam, Brandenburg, Germany
Herz- und Gefäßklinik, Bad Neustadt An Der Saale, Bayern, Germany
Städtisches Klinikum Karlsruhe GmbH, Karlsruhe, Baden-Würtemberg, Germany
Anhui Provincial Hospital, Hefei, Anhui, China
The second Affliated hospital Anhui Medical University, Hefei, Anhui, China
The second hospital of Hebei Medical University, Shijiazhuang, Hebei, China
Children's Hospital Los Angeles, Los Angeles, California, United States
Ronald Reagan UCLA Medical Center, Los Angeles, California, United States
Nationwide Children's Hospital, Columbus, Ohio, United States
Heinrich Heine Universität Düsseldorf, Düsseldorf, Germany
Sahlgrenska Universitetssjukhuset, Goteborg, Sweden
Akademiska sjukhuest, Uppsala, Sweden