1. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
2. MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, United Kingdom
3. Institute of Neuroscience and Physiology, Gillberg Neuropsychiatry Centre, Centre for Ethics Law and Mental Health, University of Gothenburg, Gothenburg, Sweden
4. School of Medical Sciences, Örebro University, Örebro, Sweden