1. Department of Urology, The First People’s Hospital of Foshan, Foshan, P.R. China
2. Department of Thoracic Surgery, Guangzhou First People’s Hospital, South China University of Technology, Guangzhou, P.R. China
3. Department of Blood Transfusion, Shenzhen Hospital Affiliated to Southern Medical University, Shenzhen, P.R. China
4. The First Clinical Medical College, Guangdong Medical University, Zhanjiang, P.R. China