1. Department of Internal Medicine; St. Antonius Hospital; Nieuwegein The Netherlands
2. Department of; Internal Medicine; Leiden University Medical Center; Leiden The Netherlands
3. Department of; Urology; St. Antonius Hospital; Nieuwegein The Netherlands
4. Department of; Geriatrics; St. Antonius Hospital; Nieuwegein The Netherlands
5. Department of; Anesthesiology and Intensive Care; St. Antonius Hospital; Nieuwegein The Netherlands