1. Faculty of Automatic Control and Computers, University Politehnica of Bucharest, 060042 Bucharest, Romania
2. National Institute for Research and Development in Informatics, 011455 Bucharest, Romania
3. “Ana Aslan” National Institute of Gerontology and Geriatrics, 011241 Bucharest, Romania
4. Department of Geriatrics and Gerontology, “Carol Davila” Universty of Medicine and Pharmacy, 050474 Bucharest, Romania
5. Doctoral School of Economic Informatics, Bucharest University of Economics Studies, 010374 Bucharest, Romania