About the Authors

Jiae Choi

Affiliation Medical Research Division, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea

Tae-Hun Kim

Affiliation Department of Spine Center, Mokhuri Neck & Back Hospital, Seoul, Republic of Korea

Tae-Young Choi

Affiliation Medical Research Division, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea

Myeong Soo Lee

drmslee@gmail.com

Affiliation Medical Research Division, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Extracted the data: JAC THK. Searched and selected studies: JAC TYC. Revised the paper: JAC THK MSL. Monitored data collection: MSL JAC. Conceived and designed the experiments: MSL JC. Analyzed the data: JC THK. Wrote the paper: JC THK MSL.