1. Klinikum Nürnberg, Nuremberg, Bavaria, Germany
2. Ludwig-Maximilians-Universitat Munchen Medizinische Fakultat, Munchen, Germany
3. IMC Instituto Modelo de Cardiologia Cordoba, Argentina
4. Bispebjerg Hospital Kobenhavn, Denmark
5. Hospital Universitario de la Fundación Santa Fe de Bogotá, Bogota, Colombia
6. Fundacion Santa Fe de Bogota, Bogota, Colombia
7. Bangkok International Hospital Bangkok, Thailand
8. IPS Universitaria Clínica León XIII, Envigado, Antioquia, Colombia
9. Luzerner Kantonsspital Luzern, Luzern, Switzerland
10. AO Foundation, Zurich, Switzerland