1. Institute of Nursing Science, Department of Public Health University of Basel Basel Switzerland
2. University Department of Geriatric Medicine, FELIX PLATTER Hospital Basel Switzerland
3. Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences University of Basel Basel Switzerland
4. Institute for Primary Health Care BIHAM University of Bern Bern Switzerland
5. Clinical Pharmacology and Toxicology, Department of General Internal Medicine Inselspital ‐ University Hospital of Bern Bern Switzerland