A Study of Korean Society of Spine Surgery on the Outcomes of Anterior Cervical Discectomy and Fusion

National Health Insurance Service Ilsan Hospital, Ilsan

Hallym University Dongtan Sacred Heart Hospital, Dongan

Hallym University Hospital, Dongan

Inje University Ilsan Paik Hospital, Ilsan

Bundang Jesaeng Hospital, Seongnam

Dongguk University Ilsan Hospital, Ilsan

CHA Bundang Medical Center, CHA university, Seongnam

Pusan National University Yangsan Hospital, Yangsan

Wonkwang University School of Medicine & Hospital, Iksan

Pohang Semyung Christianity Hospital, Pohang

Inje University Busan Paik Hospital, Busan

Inje University Haeundae Paik Hospital, Busan

Pusan National University Hospital, Busan

Kyungpook National University Hospital, Daegu

Eulji University Hospital, Daejeon

The Catholic University of Korea Daejeon ST. Mary's hospital, Daejeon

Chonnam National University Hospital, Gwangju

Chosun University Hospital, Gwangju

Kwangju Christian Hospital, Gwangju

Inha University Hospital, Incheon

The Catholic University of Korea, Incheon St. Mary's hospital, Incheon

Asan Medical Center, University of Ulsan College of Medicine, Seoul

Chung-Ang University Hospital, Seoul

Gangnam severance hospital, Seoul

Korea University Anam Hospital, Seoul

National Police Hospital, Seoul

Seoul National University Hospital, Seoul

SMG-SNU Boramae Medical Center, Seoul

Soonchunhyang University Seoul Hospital, Seoul

VHS Medical Center, Seoul

Seoul National University Hospital, Seoul