1. Helen Lee, PhD, is Research Affiliate, Mrs. T. H. Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles; lee329@chan.usc.edu
2. Yun-Ju Chen, PhD, is Research Affiliate, Mrs. T. H. Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles, and Postdoctoral Fellow, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada.
3. John Sideris, PhD, is Professor of Research and Director of Instrument Development and Psychometric/Statistical Analysis, Mrs. T. H. Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles.
4. Linda R. Watson, EdD, CCC-SLP, is Professor, Division of Speech and Hearing Sciences, Department of Allied Health Sciences, University of North Carolina at Chapel Hill.
5. Elizabeth R. Crais, PhD, CCC-SLP, is Professor and Associate Chair, Division of Speech and Hearing Sciences, Department of Allied Health Sciences, University of North Carolina at Chapel Hill.
6. Grace T. Baranek, PhD, OTR/L, FAOTA, is Associate Dean, Chair, and Professor, Mrs. T. H. Chan Division of Occupational Science and Occupational Therapy, University of Southern California, Los Angeles.