1. Department of General Internal Medicine Bern University Hospital, Inselspital, University of Bern Bern Switzerland
2. Institute of Primary Health Care (BIHAM) University of Bern Bern Switzerland
3. Clinical Pharmacy Research Group Université Catholique de Louvain, Louvain Drug Research Institute Brussels Belgium
4. Pharmacy Department Université Catholique de Louvain, Cliniques Universitaires Saint‐Luc Brussels Belgium
5. Pharmacy Department Université Catholique de Louvain, CHU UCL Namur Yvoir Belgium
6. Department of Geriatric Medicine and Expertise Centre Pharmacotherapy in Old Persons University Medical Centre Utrecht, University of Utrecht Utrecht The Netherlands
7. Department of Medicine (Geriatrics) University College Cork Cork Ireland
8. Department of Geriatric Medicine Cork University Hospital Cork Ireland
9. Department of Internal Medicine Hôpital neuchâtelois Neuchâtel Switzerland
10. Harvard Medical School Harvard University Boston Massachusetts USA
11. Division of General Internal Medicine and Primary Care Brigham and Women's Hospital Boston Massachusetts USA