DH Chace, PhD, TA Kalas, MPH, Neo Gen Screening, Inc, Bridgeville, Pennsylvania.
M Fierro, MD, Office of the Chief Medical Examiner, Virginia Dept of Health.
H Hannon, PhD, Div of Laboratory Sciences, National Center for Environmental
Health; SA Rasmussen, MD, Div of Birth Defects and Developmental Disabilities,
National Center on Birth Defects and Developmental Disabilities; K Wolf, Epidemiology
Program Office; J Williams, MSN, M Dott, MD, EIS officers, CDC.