Correction to: Optimal length of the pre-inserted tracheal tube for excellent view in nasal fiberoptic intubation

Affiliations

• ¹ Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Republic of Korea.
• ² Department of Anesthesiology and Pain Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Sindaebang 2‑dong, Dongjak‑gu, Seoul, 156‑707, Republic of Korea. jungman007@gmail.com.
• ³ Department of Dental Anesthesiology, Seoul National University Dental Hospital, Seoul, Republic of Korea. jungman007@gmail.com.
• ⁴ Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
• ⁵ Department of Dental Anesthesiology, Seoul National University Dental Hospital, Seoul, Republic of Korea.