The authors reply.
Department of Anesthesiology and Pain Medicine, Catholic Kwandong University of Korea College of Medicine, International St. Mary's Hospital, Gangwon-do, South Korea; Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine Seoul, Korea, Republic of; Department of Anesthesiology and Pain Medicine, Laboratory for Cardiovascular Dynamics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Bo-Hyun
BH
Sang
JungBok
J
Lee
Jun-Gol
JG
Song
Gyu-Sam
GS
Hwang