Guam EHDI Delivers Resources to GEIS by Guam CEDDERS June 6, 2019: Guam Early Hearing Detection and Intervention (Guam EHDI) delivered resources to Guam Early Intervention System (GEIS) for families of children recently referred for a Diagnostic Audiological Evaluation (DAE). The resources help families prepare for their child’s DAE appointment with an audiologist. (Pictured Left to Right) Tanya Simer, CEDDERS Research Associate, and Macrina Atoigue, Guam Early Intervention System (GEIS) Secretary. Guam Early Hearing Detection & Intervention Guam Early Intervention System Information Dissemination