Issued by: Organizers of the International Conference on Improving Use of Medicines CHIANG MAI, THAILAND (APRIL 14, 2004) — About 450 leading multi-disciplinary researchers, national and international policy makers, patient advocates and clinicians representing nearly 80 countries, gathered in Chiang Mai, Thailand, for the second International Conference on Improving Use of Medicines (ICIUM 2004). Participants reported on the many advances made during the past years and, at the same time, expressed concern over the continued, widespread improper use of medicines.