1. Department of Thoracic Surgery, The First People’s Hospital of Changde City, Changde, Hunan, China
2. Department of Assisted Reproductive Centre, Zhuzhou Central Hospital, Xiangya Hospital Zhuzhou Central South University, Central South University, Zhuzhou, Hunan, China
3. Department of Pathology, The First People’s Hospital of Changde City, Changde, Hunan, China