1. From the Cardiology Division, Severance Cardiovascular Hospital (C.J.L., B.-K.K., S.P.) and Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute (K.B.Y.), Yonsei University College of Medicine, Seoul, Republic of Korea; Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul National University College of Medicine, Republic of Korea (H.-Y.L.); Institute of Cardiovascular and Medical Sciences, College of Medical,...