John Ward, CEO, and dr Jan Zomerdijk, GP and Janny Goris, Public Health Dietitian, visit Kotidanga area for a few weeks. Medical services and education were provided, as well as follow-up research in area of iodine deficiency and iodisation of salt. This research has been done in collaboration with the School of Medicine and Health Sciences, University of PNG and has been supported financially by the Iodine Global Network.