1. Department of Urological Surgery, The Affiliated Hospital of Nantong University, Nantong City, Jiangsu Province, China.
2. Department of Urological Surgery, The Second Affiliated Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province, China.
3. Department of General Surgery, The Affiliated Hospital of Nantong University, Nantong City, Jiangsu Province, China.