1 Department of Psychology, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada. Electronic address: bcassett@ucalgary.ca.
2 Department of Psychology, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada.
3 Impulse Control Disorders Outpatient Unit, Institute and Department of Psychiatry, University of São Paulo, Butantã, São Paulo, State of São Paulo 03178-200, Brazil.