Department of Pediatric Neurosurgery, Tohoku University Graduate School of Medicine
The Japanese Congress of Neurorogical Surgeons
, The Japan Neurosurgical Society
, Conference on Neurosurgical Techniques and Tools
, The Japanese Society of Child Neurology
, The Japanese Society on Surgery for Cerebral Stroke
, Asian-Australasian Society for Pediatric Neurosurgery
, International Society for Pediatric Neurosurgery
, Japanese Society for Pediatric Neurosurgery