1. Department of Applied Social Sciences; City University of Hong Kong; Tat Chee Avenue Kowloon Hong Kong, S.A.R
2. Center for Research on Sexual Violence, School of Criminology; Simon Fraser University; Burnaby British Columbia Canada
3. Department of Psychiatry and Human Behavior; Alpert Medical School at Brown University; Providence RI 02906 USA
4. Division of Forensic Psychiatry; Rhode Island Hospital; Coro Center West, Suite 2030, One Hopping Street Providence RI 02906 USA