1. Kinsey Institute, Indiana University, Lindley Hall, 150 S. Woodlawn Avenue, Bloomington, IN 47405, USA.
2. Neuroscience Institute, Georgia State University, 100 Piedmont Ave SE, Atlanta GA 30303, USA.
3. Department of Psychology, Northeastern University, Boston, MA 02115, USA.
4. Department of Psychology, University of Virginia, Charlottesville, VA 22903, USA.