Author contributions
TM, KS, KW, CO and SRo. designed the study and developed the study concept. TM, AV, MK, and AC collected data. JH-R determined salivary free cortisol and sAA and JK and SRi performed the genome-wide genotyping. KS and LJ performed the main data analysis. SRo, SRi, KS, KW and CO provided supervision. TM wrote the manuscript and all co-authors provided critical revisions. All co-authors approved the final version of the manuscript submission.