Affiliation: | 1. JAMA 2001;285:1322–6, USA;1. Huntsville, Ontario,, USA;1. Division of Pediatric Cardiovascular Surgery, The University of Michigan School of Medicine, Ann Arbor, Michigan, USA;1. Cardiovascular Division, Department of Medicine Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA;1. From the Department of Internal Medicine/Cardiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA |