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History
- Received December 21, 2020
- Revision received January 6, 2021
- Accepted January 7, 2021
- Published online January 30, 2021.
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Copyright © 2021 International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.
Author Information
- HIROE TADA,
- HIDEYUKI TAKAHASHI,
- SHOTA IDA,
- IKKO MITO,
- TOSHIYUKI MATSUYAMA and
- KAZUAKI CHIKAMATSU⇑
- Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
- Correspondence to: Kazuaki Chikamatsu, Department of Otolaryngology-Head and Neck Surgery, Gunma University Graduate School of Medicine, 3-39-22, Showa-machi, Maebashi, Gunma 3718511, Japan. Tel: +81 272208350, Fax: +81 272208369, e-mail: tikamatu{at}gunma-u.ac.jp