1. Department of Psychiatry and Neuropsychology; School for Mental Health and Neuroscience; Maastricht University; Maastricht the Netherlands
2. Department of Family Medicine; School for Public Health and Primary Care; Maastricht University; Maastricht the Netherlands
3. Department of General Practice; School of Public Health; KU Leuven; Leuven Belgium
4. Department of Clinical and Behavioral Neurology; Fondazione Santa Lucia IRCCS; Rome Italy