1 Division of Geriatrics and Intensive Care Medicine, Careggi Hospital and University of Florence, Florence, Italy.
2 Geriatria, Accettazione geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy.
3 Aging Research Center, Department of NVS, Karolinska Institutet and Stockholm University, Stockholm, Sweden.
4 Department of Neurobiology, Care Science and Society, Gerontology Research Center, Stockholm, Sweden.
5 Independent Researcher, Barcelona, Spain.
6 Butler Columbia Aging Center, Columbia University Mailman School of Public Health and Vagelos College of Physicians and Surgeons, New York City, New York, USA.
7 Global Campaign to Combat Ageism, World Health Organization, Geneva, Switzerland.
8 Department of Medicine, Yale School of Medicine, New Haven, Connecticut, USA.
9 Demographic Change and Healthy Ageing, World Health Organization, Geneva, Switzerland.
10 IHU HealthAge, University of Toulouse, INSERM CERPOP, Toulouse, France.
11 Intramural Research Program of the National Institute on Aging, NIH, Baltimore, Maryland, USA.