1. Department of Infectious Diseases, Leiden University Medical Center , Leiden , The Netherlands
2. Center for Infectious Disease Control, National Institute for Public Health and the Environment , Bilthoven , The Netherlands
3. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University , Utrecht , The Netherlands
4. Department of Internal Medicine, Haga Teaching Hospital , The Hague , The Netherlands
5. Health Campus The Hague, Department of Public Health and Primary Care, Leiden University Medical Center , Leiden , The Netherlands
6. Division of Geriatric and Palliative Medicine, Department of Internal Medicine, University of Michigan Medical School , Ann Arbor, Michigan , USA
7. Geriatrics Research Education and Clinical Center, Veterans Affairs Ann Arbor Healthcare System , Ann Arbor, Michigan , USA
8. Department of Emergency Medicine, The Ohio State University , Columbus, Ohio , USA
9. Amsterdam University Medical Center, Department of Internal Medicine, Amsterdam Institute for Infection and Immunity, Amsterdam Public Health Research Institute , Amsterdam , The Netherlands
10. Department of Urology, University of Szeged , Szeged , Hungary
11. Clinic for Urology, Paediatric Urology and Andrology, Justus Liebig University , Giessen , Germany
12. Medical Research Council Unit for Lifelong Health and Ageing, University College London , London , United Kingdom