1. Geriatrics Division, Department of Medicine (DIMED), University of Padova, Padova, Italy.
2. Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy.
3. National Research Council, Neuroscience Institute, Padova, Italy.
4. Health Service and Population Research Department, Institute of Psychiatry, King's College London, London, United Kingdom.
5. Physiotherapy Department, South London and Maudsley NHS Foundation Trust, London, United Kingdom.
6. Faculty of Health, Social Care and Education, Anglia Ruskin University, Chelmsford, United Kingdom.
7. Geriatrics-Unit of Respiratory Pathophysiology, Campus Bio Medico University and Teaching Hospital, Rome, Italy.
8. Department of Medicine (DIMED), Clinica Medica I, University of Padova, Padova, Italy.
9. Division of Healthcare Planning and Evaluation of the Regione Veneto, Venice, Italy.
10. Biostatistics, Epidemiology and Public Health Unit, Department of Cardiac, Thoracic and Vascular Sciences, University of Padova, Padova, Italy.