title: Erratum to: Biomechanical consideration of prosthesis selection in hybrid surgery for bi-level cervical disc degenerative diseases.
authors.affiliation: National Research Center for Rehabilitation Technical Aids, Beijing, People's Republic of China.|Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Joint Research Center of Aerospace Biotechnology and Medical Engineering of Ministry of Science and Technology, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China.
authors.forename: Zhongjun
authors.initials: Z
authors.lastname: Mo
authors.affiliation: Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Joint Research Center of Aerospace Biotechnology and Medical Engineering of Ministry of Science and Technology, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China.
authors.forename: Qi
authors.initials: Q
authors.lastname: Li
authors.affiliation: Department of Orthopaedics, The 306th Hospital of People's Liberation Army, Beijing, People's Republic of China.
authors.forename: Zhiwei
authors.initials: Z
authors.lastname: Jia
authors.affiliation: National Research Center for Rehabilitation Technical Aids, Beijing, People's Republic of China.
authors.forename: Jiemeng
authors.initials: J
authors.lastname: Yang
authors.affiliation: Interdisciplinary Division of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, SAR, People's Republic of China.
authors.forename: Duo Wai-Chi
authors.initials: DW
authors.lastname: Wong
authors.affiliation: National Research Center for Rehabilitation Technical Aids, Beijing, People's Republic of China. yubofan@buaa.edu.cn.|Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Joint Research Center of Aerospace Biotechnology and Medical Engineering of Ministry of Science and Technology, School of Biological Science and Medical Engineering, Beihang University, Beijing, People's Republic of China. yubofan@buaa.edu.cn.
authors.forename: Yubo
authors.initials: Y
authors.lastname: Fan