1. Second Department of Urology, Sismanogleio General Hospital, 15126 Marousi, Greece
2. School of Science and Technology, Hellenic Open University, 26335 Patras, Greece
3. Department of Quality Control, Research and Continuing Education, Sismanogleio General Hospital, 15126 Marousi, Greece
4. IT Department, Sismanogleio General Hospital, 15126 Marousi, Greece
5. Microbiology Laboratory, Sismanogleio General Hospital, 15126 Marousi, Greece