Hypertrophic Cardiomyopathy Center, Knight Cardiovascular Institute, Oregon Health and Science University, Portland, Oregon, USA

Correspondence to Ahmad Masri, MD, MS, Assistant Professor of Medicine, Division of Cardiovascular Medicine, Knight Cardiovascular Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA. Tel: +1 503 494 8750; e-mail: [email protected]