1. TM Long, PT, PhD, is Associate Professor, Director of Training, and Director, Division of Physical Therapy, Center for Child and Human Development, Georgetown University, Box 571485, 3300 Whitehaven St NW, Suite 3300, Washington, DC 20057-1485 (USA). She also is Lead Investigator, The Training Needs of Interdisciplinary Team Members in Assistive Technology
2. DF Perry, PhD, is Assistant Professor and Director, Department of Population, Family, and Reproductive Health, Women's and Children's Health Policy Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Md