1. Department of Psychiatry and Psychotherapy University Medicine Greifswald Greifswald Germany
2. German Centre of Neurodegenerative Diseases (DZNE) Greifswald Germany
3. Department of Psychiatry and Psychotherapy University Medicine Greifswald, HELIOS Hanseklinikum Stralsund Stralsund Germany
4. Institute for Community Medicine University Medicine Greifswald Greifswald Germany
5. Department of Psychiatry and Psychotherapy University of Leipzig Medical Center Leipzig Germany
6. Interfaculty Institute for Genetics and Functional Genomics University Medicine Greifswald Greifswald Germany