1 Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA.
2 Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA; Division of Urology, Department of Surgery, Faculty of Medicine, Songklanagarind Hospital, Prince of Songkla University, Songkhla, Thailand.
3 Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA. Electronic address: campbes3@ccf.org.