Affiliation: | 1. Department of Internal Medicine Hospital del Mar, Hospital-at-Home Hospital del Mar Institute for Medical Research (IMIM), CIBER on Frailty and Healthy Ageing-CIBERFES, Barcelona, Spain;2. Hospital-at-Home, Department of Geriatrics, Hospital del Mar, IMIM, CIBER on Frailty and Healthy Ageing-CIBERFES, Barcelona, Spain;3. Department of Infectious Diseases, Hospital del Mar-IMIM, Barcelona, Spain;4. Department of Epidemiology and Evaluation, Hospital del Mar-IMIM, and Research Network on Health Services in Chronic Diseases (REDISSEC), Barcelona, Spain;5. Department of Nephrology, Hospital del Mar-IMIM, Barcelona, Spain |