1. University of Indonesia, School of Medicine, Cipto Mangunkusumo Hospital, Department of Urology, Jakarta, Indonesia
2. Hannover Medical School, Division of Surgery, Dept. of Urology & Urological Oncology, Hannover, Germany
3. Hannover Medical School, Centre of Pharmacology & Toxicology, Core Unit Proteomics, Hannover, Germany
4. Imland Municipal Hospital, Department of Urology, Rendsburg, Germany
5. Ludwig Maximilians University (LMU), Academic Hospital Grosshadern, Dept. of Urology, Munich, Germany