title: Introduction to the special section "the puzzle of sexual orientation: what is it and how does it work?".
authors.forename: Paul L
authors.initials: PL
authors.lastname: Vasey
authors.forename: Martin L
authors.initials: ML
authors.lastname: Lalumière
mesh_terms: D003226:Congresses as Topic; D005260:Female; D006801:Humans; D008297:Male; D012725:Sexual Behavior / Q000523:psychology*