1. Department of Geriatrics, Hanoi Medical University, Hanoi,
Vietnam
2. Scientific Research Department, National Geriatric Hospital, Ha Noi,
Vietnam
3. Faculty of Science, Hasselt University, Diepenbeek,
Belgium
4. Department of Physiology and Pharmacology, Karolinska Institute,
Stockholm, Sweden
5. Department of Learning, Informatics, Management and Ethics, Karolinska
Institute, Stockholm, Sweden