Department of Preventive Cardiology and Rehabilitation, Women's Cardiovascular Center, Cleveland Clinic, Cleveland, Ohio, USA

Correspondence to Leslie Cho, MD, FACC, FSCAI, FESC, Section Head, Preventive Cardiology and Rehabilitation, Director, Women's Cardiovascular Center, Cleveland Clinic, 9500 Euclid Ave JB-1, Cleveland, OH 44195, USA. Tel: +1 216 445 6320; fax: +1 216 444 8856; e-mail: [email protected]