1. Trudy Mallinson, MS, OTR/L, NZROT, is Research Specialist in Behavioral Sciences, Department of Occupational Therapy, University of Illinois at Chicago, M/C 811, 1919 West Taylor Street, Chicago, Illinois 60612
2. Gary Kielhofner, DrPH, OTR, FAOTA, is Professor and Head, Department of Occupational Therapy, University of Illinois at Chicago, Chicago, Illinois
3. Cheryl Mattingly, PhD, is Assistant Professor, Department of Occupational Therapy, University of Illinois at Chicago, Chicago, Illinois, and Adjunct Foreign Professor, Kavolinska Institute, Stockholm, Sweden