Erebouni Medical Center, Yerevan, Armenia
ICBA - Instituto Cardiovascular de Buenos Aires, Buenos Aires, Argentina
Medical University of Innsbruck, Internal Medicine III, Innsbruck, Austria
Klinik Landstrasse, Vienna, Austria
Istanbul University, CerrahpaÅŸa Cardiology Institute, Istanbul, Turkey
St Bartholomew's Hospital, London, England, United Kingdom
Szpital Wojewodzki in Sw. Lukasza / Regional Specialist Hospital, Tarnow, Poland
Homerton Hospital, London, England, United Kingdom
European Society of Cardiology, Biot, France