aDepartment of Internal Medicine, Division of Cardiology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon
bDepartment of Internal Medicine, Division of Cardiology, Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
Correspondence to Chul-Min Kim, MD, Department of Internal Medicine, Division of Cardiology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, 93-6, Ji-dong, Paldal-ku, Suwon, Gyunggi-do 442-723, Republic of Korea Tel: +82 31 249 7139; fax: +82 31 247 7139; e-mail: [email protected]
Received December 8, 2014
Received in revised form February 18, 2015
Accepted March 12, 2015