1. Department of Neurology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
2. Department of Medical Psychology, Medisch Spectrum Twente, Enschede, The Netherlands
3. Department of Internal Medicine, Haaglanden Medical Center, The Hague, The Netherlands
4. Department of Medical Psychology, Maasstad Ziekenhuis, Rotterdam, The Netherlands
5. Department of Psychiatry and Medical Psychology, OLVG, Amsterdam, The Netherlands
6. Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, The Netherlands