From the *Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
†Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
Published ahead of print March 21, 2022.
Accepted for publication December 10, 2021.
Funding: None.
The authors declare no conflicts of interest.
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Address correspondence to Tae Kyong Kim, MD, PhD, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul 07061, Republic of Korea. Address e-mail to [email protected].