title: Introduction to the Special Section: The Puzzle of Sexual Orientation: What Is It and How Does It Work?
authors.affiliation: Department of Psychology and Neuroscience, The University of Lethbridge, 4401 University Drive, Lethbridge, AB, T1K 3M4, Canada. paul.vasey@uleth.ca.
authors.forename: Paul L
authors.initials: PL
authors.lastname: Vasey