1. Department of Genetics, Physical Anthropology and Animal Physiology; University of the Basque Country UPV/EHU; Leioa Spain
2. IKERBASQUE; Basque Foundation for Science; Bilbao Spain
3. Department of Public Health; Hjelt Institute, University of Helsinki; Helsinki Finland
4. Department of Psychological and Brain Sciences; Indiana University; Bloomington
5. Computational Medicine, Institute of Health Sciences, Faculty of Medicine; University of Oulu; Oulu Finland
6. NMR Metabolomics Laboratory, School of Pharmacy; University of Eastern Finland; Kuopio Finland
7. Oulu University Hospital; Oulu Finland
8. Computational Medicine, School of Social and Community Medicine; University of Bristol; Bristol United Kingdom
9. Department of Mental Health and Substance Abuse Services; National Institute for Health and Welfare; Helsinki Finland
10. Institute for Molecular Medicine FIMM; Helsinki Finland
11. Population Research Unit, Department of Social Research; University of Helsinki; Helsinki Finland