1. Department of Thoracic Surgery, The Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region 830002, China
2. Department of Thoracic Surgery, Xi’an International Medical Center Hospital, Xi’an, Shaanxi 710100, China
3. Department of Thoracic Surgery, Xiangya Hospital Central South University, Changsha, Hunan 410008, China