1. Expertise Centre Adult ADHD, PsyQ, 2593 HR The Hague, The Netherlands
2. Department of Psychiatry, AmsterdamUMC/VUmc, 1081 HJ Amsterdam, The Netherlands
3. Amsterdam Public Health Research Institute, VU Medical Centre, 1081 HV Amsterdam, The Netherlands
4. Antes Older Adults Outpatient Treatment, 3079 DZ Rotterdam, The Netherlands
5. GGZ inGeest, 1062 NP Amsterdam, The Netherlands