Affiliation: | 1. Division of Cardiology, Department of Medicine, Hong Kong;2. Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota, USA;3. Division of Cardiology, University of Michigan Ann Arbor, Ann Arbor, Michigan, USA;4. Department of Internal Medicine Mayo Clinic, Rochester, Minnesota, USA;5. Department of Pediatrics and Adolescent Medicine, Mayo Clinic, Minnesota, USA |