[1
]
Department of Anesthesiology and Pain Medicine, Seoul National University Hospital
College of Medicine, Seoul, Korea.
[2
]
Department of Anesthesiology and Pain Medicine, College of Medicine, Kyung Hee University,
Seoul, Korea.
[3
]
Department of Anesthesiology and Pain Medicine, The Armed Forces Capital Hospital,
Sungnam-si, Gyonggi-do.
[4
]
Department of Anesthesiology and Pain Medicine, Ewha Womans University College of
Medicine, Seoul, Korea.
[5
]
University Medical Center, De La Salle Health Sciences Institute, Dasmariñas, Cavite,
Philippines.