About the Authors

Jung-Sun Cho

Affiliations Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul, South Korea, Institute for Medical Devices Clinical Trial Center, Korea University, Guro Hospital, Seoul, South Korea

Ju-Hyung Kang

Affiliation Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul, South Korea

Ji-Young Um

Affiliation Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul, South Korea

In-Hye Han

Affiliation Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul, South Korea

Il-Ho Park

Affiliations Institute for Medical Devices Clinical Trial Center, Korea University, Guro Hospital, Seoul, South Korea, Department of Otorhinolaryngology-Head and Neck Surgery, Korea University, Guro Hospital, Seoul, South Korea

Heung-Man Lee

lhman@korea.ac.kr

Affiliations Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul, South Korea, Institute for Medical Devices Clinical Trial Center, Korea University, Guro Hospital, Seoul, South Korea, Department of Otorhinolaryngology-Head and Neck Surgery, Korea University, Guro Hospital, Seoul, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JSC HML. Performed the experiments: JSC JHK JYU IHH HML. Analyzed the data: JSC HML. Contributed reagents/materials/analysis tools: JSC JHK JYU IHH IHP HML. Wrote the paper: JSC HML. Contributed to the study, interpretation of the studies, analysis of the data and review of the manuscript: JSC JHK JYU IHH IHP HML. Supervised the project: HML.