1. Department of Occupational Therapy, Jefferson College of Rehabilitation Sciences, Thomas Jefferson University, Philadelphia, PA 19107, USA
2. Mrs TH Chan Division of Occupational Science & Occupational Therapy, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA 90089, USA
3. Genesis Rehab Services, Kennett Square, PA 19348, USA
4. Communication Department, The Wharton School, University of Pennsylvania, Philadelphia, PA 19104, USA
5. Department of Occupational Therapy, School of Health & Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA