1. Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People’s Republic of China
2. Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People’s Republic of China
3. Molecular Diagnosis and Gene Testing Center, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People’s Republic of China
4. Department of Radiotherapy, Nanyang Central Hospital, Nanyang, People’s Republic of China
5. Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, People’s Republic of China