1. Darryn M. Sikora, PhD, is assistant professor of medical psychology at the Child Development and Rehabilitation Center (CDRC), Oregon Health Sciences University. Her recent work focuses on differential diagnosis and appropriate interventions for children with multiple developmental disabilities. Address: Darryn M. Sikora, CDRC/OHSU, PO Box 574, Portland, OR 97207–0574.
2. Donald S. Plapinger, EdD, is assistant professor of audiology at the CDRC. In addition to certification in audiology, he is also a certified teacher of individuals with hearing impairment. His main areas of interest are pediatrics and educational audiology.