1. Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
2. Department of Urology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
3. Department of Plastic and Reconstructive Surgery, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
4. Department of Nursing, Zhengzhou University, Zhengzhou, China
5. Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China