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History
- Received January 6, 2021
- Revision received January 27, 2021
- Accepted January 28, 2021
- Published online February 23, 2021.
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Copyright© 2021, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved
Author Information
- TAKURO OKADA,
- ISAKU OKAMOTO⇑,
- HIROKI SATO,
- TATSUYA ITO,
- KEITARO MIYAKE and
- KIYOAKI TSUKAHARA
- Correspondence to: Isaku Okamoto, MD, Ph.D., Department of Otorhinolaryngology Head and Neck Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan. Tel: +81 333426111, Fax: +81 333469275, e-mail: isaku{at}tokyo-med.ac.jp