About the Authors

Jin-Sung Park

Roles Conceptualization, Data curation, Formal analysis, Validation, Writing – original draft, Writing – review & editing

Affiliation Department of Orthopedics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea

Jae-Young Hong

Roles Conceptualization, Data curation, Validation, Writing – original draft, Writing – review & editing

osspine@korea.ac.kr

Affiliation Department of Orthopedics, Korea University Ansan Hospital, Ansan-si, Gyeonggi-do, South Korea

Hak-Kyu Kim

Roles Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation Department of Orthopedics, Korea University Ansan Hospital, Ansan-si, Gyeonggi-do, South Korea

Bongmo Koo

Roles Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation Department of Orthopedics, Korea University Ansan Hospital, Ansan-si, Gyeonggi-do, South Korea

Sang-Hee Kim

Roles Writing – review & editing

Affiliation Medical Affairs, Pfizer Pharmaceuticals Korea Ltd., Seoul, South Korea

Yong-Chol Kwon

Roles Writing – review & editing

Affiliation Medical Affairs, Pfizer Pharmaceuticals Korea Ltd., Seoul, South Korea

Competing Interests

The authors have read the journal's policy and the authors of this manuscript have the following competing interests: KSH and KYC are paid employees of Pfizer Pharmaceuticals Korea Ltd.. HJY received a research fund from Pfizer Pharmaceuticals Korea Ltd.. This does not alter our adherence to PLOS ONE policies on sharing data and materials.