1. Division of Urological Surgery, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
2. Division of Hematology, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
3. Department of Clinical Laboratory Medicine, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China