[1] Ferrer Int, Barcelona, Spain
[2] Ctr Nacl Invest Cardiovasc CNIC, Madrid, Spain
[3] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA 02115 USA
[4] York Hlth Econ Consortium, York, N Yorkshire, England
[5] London Sch Hyg & Trop Med London, London, England
[6] Hosp Univ San Juan, Alicante, Spain
[7] Hosp Univ San Juan, Alicante, Spain
[8] Hosp Clin Univ Santiago De Compostela, Santiago De Compostela, Spain
[9] Hosp Univ Clin San Carlos, Madrid, Spain
[10] Varosmajori Sziv Ergyogyaszati Klin, Budapest, Hungary
[11] Vseobecna Fak Nemocn & Praze, Prague, Czech Republic
[12] Reg Univ Hosp Jean Minjoz, Besancon, France
[13] Charite Univ Med Berlin, Berlin, Germany
[14] IRCCS Ist Ric Farmacol Mario Negri, Milan, Italy
[15] Wroclaw Med Univ, Wroclaw, Poland