Clinical and Experimental Otorhinolaryngology 2021;14:245-6.
https://doi.org/10.21053/ceo.2021.01249
The indication of the corresponding author was missing in the article. The corresponding author is as follows.
• Corresponding author: Sung Won Kim
Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Korea
Tel: +82-2-2258-6216, Fax: +82-2-535-1354
E-mail: kswent@catholic.ac.kr