1 Dept of Biomedical Engineering, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA; Advanced Platform Technology Center of Excellence, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, OH, USA.
2 Dept of Urology, UKT, University of Tübingen, Tübingen, Germany; Dept of Urology, UKSH, Campus Lübeck, University of Lübeck, Lübeck, Germany; Dept of Urology and Andrology, Uro-Oncology, Neurourology, Incontinence and Reconstructive Urology, Paracelsus Medical University, Salzburg, Austria. Electronic address: kd_sievert@hotmail.com.