Coronary Center, Department of Thoracic and Cardiovascular Surgery, Heart Vascular & Thoracic Institute, Cleveland Clinic, Cleveland, Ohio, USA

Correspondence to Faisal G. Bakaeen, MD, Department of Thoracic and Cardiovascular Surgery, Heart Vascular & Thoracic Institute, Desk J4-1, 9500 Euclid Avenue, Cleveland Clinic, Cleveland, OH 44195, USA. E-mail: [email protected]