1. Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, 431 80 Mölndal, Sweden
2. Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Gothenburg, Sweden
3. Department of Molecular and Clinical Medicine, Institute of Medicine at University of Gothenburg and Sahlgrenska University Hospital, 405 30 Gothenburg, Sweden