About the Authors

Seungyoon Paik

Contributed equally to this work with: Seungyoon Paik, Yunhee Choi

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft

Affiliation Department of Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea

Yunhee Choi

Contributed equally to this work with: Seungyoon Paik, Yunhee Choi

Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Software, Validation, Visualization, Writing – original draft

Affiliation Division of Medical Statistics, Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Republic of Korea

Chun Kee Chung

Roles Methodology, Supervision

Affiliations Department of Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University Hospital, Seoul, Republic of Korea, Department of Brain and Cognitive Sciences, Seoul National University, Seoul, Republic of Korea

Young Il Won

Roles Project administration

Affiliation Department of Neurosurgery, Chungnam National University Sejong Hospital, Sejong, Republic of Korea

Sung Bae Park

Roles Writing – review & editing

Affiliations Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University Hospital, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University Boramae Hospital, Seoul, Republic of Korea

Seung Heon Yang

Roles Investigation

Affiliations Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea

Chang-Hyun Lee

Roles Supervision

Affiliations Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University Hospital, Seoul, Republic of Korea

John Min Rhee

Roles Conceptualization, Validation, Writing – review & editing

Affiliation Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia, United States of America

Kyoung-Tae Kim

Roles Validation, Writing – review & editing

Affiliations Department of Neurosurgery, Kyungpook National University Hospital, Daegu, Republic of Korea, Department of Neurosurgery, School of Medicine, Kyungpook National University, Daegu, Republic of Korea

Chi Heon Kim

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Resources, Software, Writing – original draft

chiheon1@snu.ac.kr

Affiliations Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea, Department of Neurosurgery, Seoul National University Hospital, Seoul, Republic of Korea, Department of Medical Device Development, Seoul National University College of Medicine, Seoul, Republic of Korea

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: The corresponding author (CHK) is a consultant of RIWOspine GmBH. All the other authors declare that they have no conflicts of interest concerning the materials/methods used in this study or the findings described in this paper. No benefits in any form have been or will be received from any commercial party related directly or indirectly to the subject of this manuscript. This does not alter our adherence to PLOS ONE policies on sharing data and materials.