1. Geriatria, Accettazione Geriatrica e Centro di Ricerca per L'invecchiamento IRCCS INRCA Ancona Italy
2. Department of Clinical and Molecular Sciences Università Politecnica delle Marche Ancona Italy
3. Institute for Geriatric Research Ulm University Medical Center at Agaplesion Bethesda Ulm Ulm Germany
4. Department of Geriatric Medicine, University Medical Centre Utrecht Utrecht University Utrecht The Netherlands
5. Landspitali–the National University Hospital of Iceland Reykjavik Iceland