We are very pleased and honored to welcome you all to the 11th Congress of Asian Society for Pediatric Research (ASPR2015) which will be held from April 14th to 18th, 2015 in Osaka, Japan. We are also excited to announce that the congress will be organized semi-jointly with the 118th Congress of Japan Pediatric Society (Chairman: Keiichi Ozono, MD, PhD), collaborating on important programs on the latter two days of the schedule.