[1] Toronto Gen Hosp, Dept Psychiat, Toronto, ON M5G 2C4, Canada
[2] Virginia Commonwealth Univ, Virginia Inst Psychiat & Behav Genet, Dept Psychiat, Richmond, VA USA
[3] Cornell Univ, New York Presbyterian Hosp Westchester, Weill Med COll, White Plains, NY USA
[4] Hosp Behav Med, Klin Roseneck, Munich, Germany
[5] Univ Calif Los Angeles, Neuropsychiat Inst & Hosp, Sch Med, Los Angeles, CA 90024 USA
[6] Bethlem Royal & Maudsley Hosp, Inst Psychiat, London, England
[7] Georgia State Univ, Dept Psychol, Atlanta, GA 30303 USA
[8] Univ Pittsburgh, Western Psychiat Inst & Clin, Eating Disorders Module, Sch Med, Pittsburgh, PA 15213 USA