Affiliation: | 1.Cardiology Division, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, GRB 800, Boston, MA, 02114, USA ;2.Cardiovascular Center, Nippon Medical School Chiba Hokusoh Hospital, 1715 Kamakari, Inzai, Chiba, 270-1694, Japan ;3.Division of Cardiovascular Medicine, Tsuchiura Kyodo General Hospital, Ibaraki, Japan ;4.Department of Cardiovascular Medicine, Nara Medical University, Nara, Japan ;5.Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy ;6.Department of Cardiovascular Medicine, University Hospitals Leuven, Leuven, Belgium ;7.Department of Cardiology, University of Giessen, Giessen, Germany ;8.Biostatistics Center, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA ;9.Mitsukoshi Health and Welfare Foundation, Tokyo, Japan ;10.Department of Cardiology, Kyung Hee University Hospital, Seoul, Korea ; |