Michael Denkinger1, Simone Brefka1, Viktoria Mühlbauer2, Walter-Emil Haefeli3 et al.

1 Geriatric Research Unit, Ulm University, Ulm
2 Gesundheitswissenschaften, MIN-Fakultät, Universität Hamburg
3 Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg

A proposal for the ex post identification and categorization of older people with functional impairments in scientific studies – Recommendations of the Medication and Quality of Life in frail older persons (MedQoL) Research Group