Preface: Invited Issue Editor, Professor Joong-Uhn Choi, and the Era of Neuroendoscopy

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. In 2015, the first Pediatric Issue of the Journal of Korean Neurosurgical Society was published. The Issue aims to share updated information on specific topics of pediatric neurosurgery with general neurosurgeons or those in other subspecialties. Because of the limited number of pediatric neurosurgeons in Korea, children with neurosurgical problems visit general neurosurgeons or those in other subspecialties at the first stage of treatment. The Pediatric Issue will be helpful not only for pediatric neurosurgeons but also for those who are not familiar with pediatric neurosurgical problems. The topics of the first and the second Pediatric Issue in 2015 and 2016 were ‘moyamoya disease’ and ‘craniosynostosis’, and they were organized by invited Issue editors, Dr. Seung-Ki Kim, who was the chairperson of the Publication Committee of the Korean Society for Pediatric Neurosurgery (KSPN) and Dr. Joon-Ki Kang who is one of the former Presidents of International Society for Pediatric Neurosurgery (ISPN). The topic of the Pediatric Issue in 2017 is ‘neuroendoscopy’ and was organized by the invited Issue editor, Professor Joong-Uhn Choi who is another pioneer of pediatric neurosurgery in Korea (Fig. 1). Professor Joong-Uhn Choi was born on May 17th, 1943 and graduated from Yonsei University College of Medicine in 1969. He was trained as a neurosurgical resident from 1970 to 1974 at Severance Hospital in Seoul and got the neurosurgical