The Regional Ethical Review Board approved the study (2010/463). Individuals were participants of the Retrospective Study of Young People’s Experiences (RESUME), a Swedish population-based, cross-sectional, and retrospective study. Only males were studied since only male rats were investigated, the cohort is described in the Supplement, (N = 838). The participants completed a questionnaire and provided a saliva sample and received a small monetary compensation [31]. Details and previous publications regarding this study are reported in the supplementary material.
