THE JAPANESE SOCIETY FOR MICRONEUROSURGICAL ANATOMY
, THE JAPANESE SOCIETY FOR NEUROENDOSCOPY
, The Japan Endocrine Society
, THE JAPAN SOCIETY FOR NEURO-ONCOLOGY
, THE JAPANESE CONGRESS FOR BRAIN TUMOR SURGERY
, THE JAPANESE SOCIETY FOR SKULL BASE SURGERY
, THE JAPANESE CONGRESS OF NEUROLOGICAL SURGEONS
, THE JAPAN NEUROSURGICAL SOCIETY