1. Faculty of Social and Behavioural Sciences, Institute of Psychology, Health, Medical and Neuropsychology Unit, Leiden University, Leiden, The Netherlands
2. Leiden Institute for Brain and Cognition, Leiden, The Netherlands
3. Department Pediatric Rheumatology and Immunolgy, University Medical Center Utrecht, Utrecht, The Netherlands
4. Department of Psychiatry, Leiden University Medical Center, Leiden, The Netherlands