Guam CEDDERS Facilitates Training on Guam ChildLink-EHDI for Guam Regional Medical City (GRMC) by Guam CEDDERS On October 3, Joseph Mendiola (right), Guam EHDI Interoperability Data Manager, conducted training on Guam ChildLink – EHDI with Sheryll Lewis (left), RN, the designated Hearing Screening Coordinator of the Guam Regional Medical City Mother & Baby Unit. Guam ChildLink, the online data base system facilitated by the Guam Early Hearing Detection and Intervention (Guam EHDI), administered by Guam CEDDERS, is part of the system used to ensure that all babies born on Guam undergo hearing screening before leaving the facility of their birth and receive follow up services if needed. Community Services: Training Guam Early Hearing Detection & Intervention