1. Department of EpidemiologyErasmus Medical CentreRotterdamThe Netherlands
2. MRC Centre for Neuropsychiatric Genetics & GenomicsInstitute of Psychological Medicine and Clinical NeurosciencesCardiff UniversityCardiffUnited Kingdom
3. Department of Radiology and Nuclear MedicineErasmus Medical CentreRotterdamThe Netherlands
4. Department for Neurodegenerative Diseases and Geriatric PsychiatryUniversity Hospital BonnBonnGermany
5. Department of Psychiatry and PsychotherapyUniversity Hospital CologneCologneGermany
6. Institute of Human GeneticsUniversity of BonnBonnGermany