1. Department of Public Health and Primary Health Care, University of Bergen, Bergen, and Center for Age-Related Medicine, University Hospital, Stavanger, Norway
2. Physiological Psychology, Otto Friedrich University Bamberg, Bamberg, Germany
3. EMGO Institute, VU Medical Centre, Department of Nursing Home Medicine, Amsterdam, The Netherlands
4. Department of Oral Kinesiology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, MOVE Research Institute Amsterdam, Amsterdam, The Netherlands
5. Department of Clinical Psychology, Justus-Liebig-University, Giessen, Germany
6. Department of Neurology, Neurosurgery and Psychiatry, University of Medicine and Pharmacy „Carol Davila”, Bucharest, Romania