[1] Univ Windsor, Dept Psychol, Windsor, ON, Canada
[2] Windsor Clin Res Inc, 2224 Walker Rd,Ste 300B, Windsor, ON N8W 5L7, Canada
[3] Penn State Hershey Med Ctr, Hershey, PA USA
[4] Harrogate & Dist NHS Fdn Trust Harrogate, Harrogate, England
[5] Dist NHS Fdn Trust, Harrogate, England
[6] Univ Calif San Francisco, Dept Dermatol, San Francisco, CA 94143 USA
[7] Univ Western Ontario, Dept Med, London, ON, Canada