1. Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, the Netherlands.
2. Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, the Netherlands.
3. Department of Human Genetics, Radboud University Medical Centre, Nijmegen, the Netherlands.
4. Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, the Netherlands.
5. Department of Internal Medicine, Academic Center for Thyroid Diseases, Rotterdam, the Netherlands.
6. Department of Epidemiology, Erasmus Medical Centre, Rotterdam, the Netherlands.
7. Division of Endocrinology, Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, the Netherlands.