1. a Department of Human Relations , Columbia College , 1301 Columbia College Drive, Columbia, SC, 29203, USA E-mail:
2. b Vanderbilt University, Department of Sociology , Box 1811‐B, Nashville, TN, 37235 E-mail:
3. c Pomona College, Department of Psychology , 550 N. Harvard Avenue, Claremont, CA, 91711 E-mail:
4. d Texas Woman's University, Family Sciences Department , P.O. Box 425769, Denton, TX, 76204–5769 E-mail:
5. e 208 Ogden Canyon, Ogden, UT, 84401 E-mail:
6. f Asociación Mexicana para la Salud Sexual , Tezoquipa 26, Tlalpan, DF, 14000, Mexico E-mail: