Guest Editors: Tobias S. Köhler 9Department of Urology, Mayo Clinic, Rochester, MN, USA); Francisco E. Martins (Department of Urology, University of Lisbon, School of Medicine, Hospital Santa Maria, Lisbon, Portugal)

Guest Editor: Kazutoshi Fujita (Department of Urology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan)

Guest Editor: Tilman Todenhöfer (Clinical Trial Unit Studienpraxis Urologie, Nürtingen, Germany)

Guest Editors: Rodolfo Montironi, Alessia Cimadamore and Marina Scarpelli (Polytechnic University of the Marche Region, Italy); Antonio Lopez-Beltran (University of Cordoba, Spain); Liang Cheng (Indiana University School of Medicine, USA)

Guest Editors: Badrinath Konety (Department of Urology, University of Minnesota, Minneapolis, MN, USA); Daniel W. Lin (Department of Urology, University of Washington, Seattle, Washington, USA)

Guest Editors: Keith Jarvi (Division of Urology, Department of Surgery, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada); Jared Bieniek (Tallwood Urology & Kidney Institute, Hartford HealthCare, Farmington, CT, USA)

Guest Editors: Marc C. Smaldone (Fox Chase Cancer Center, Temple University Health System, Philadelphia, PA, USA); Jeffrey J. Tomaszewski (MD Anderson Cancer Center at Cooper, Cooper Medical School of Rowan University, Camden, NJ, USA)