1. Department of Thoracic and Cardiovascular Surgery; Weifang Yidu Central Hospital Qingzhou; Weifang China
2. Department of Spine and Trauma; Weifang Yidu Central Hospital Qingzhou; Weifang China
3. Department of Thoracic Surgery; Liaocheng People's Hospital Liaocheng Clinical School of Taishan Medical University; Liaocheng China