1. Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
2. Department of Urology, Spectrum Health Medical Group, Michigan State University, Grand Rapids, Michigan
3. Department of Urology, University of California-San Diego Health System, San Diego, California
4. Division of Urology, Department of Surgery, Siriraj Hospital, Mahidol University, Bangkok, Thailand
5. Department of Urology, Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China