1. K. W. David Liu, MSc, OT(C), OTR, is Occupational Therapist II, Department of Mental Health, Grey Nuns Community Hospital, Caritas Health Group, 1100 Youville Drive West, Edmonton, Alberta T6L 5X8 Canada; dliu@cha.ab.ca
2. Vivien Hollis, PhD, MSc, TDipCOT, OT(C), is Professor and Chair, Department of Occupational Therapy, University of Alberta, Edmonton
3. Sharon Warren, PhD, is Professor, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton
4. Deanna L. Williamson, PhD, is Associate Professor, Department of Human Ecology, University of Alberta, Edmonton