1. Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Eastern Hospital, Ningbo, Zhejiang, China
2. Department of Thyroid and Breast Surgery, Taipei Medical University Ningbo Medical Center, Ningbo, Zhejiang, China
3. Department of Orthopaedic Surgery, Spine Division, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, Zhejiang, China