What is 4NS

4NS is short for 4Neurosurgery. 4NS is a free email service that gives you a monthly summary of the latest published abstracts of original articles, reviews, and trials in the four leading neurosurgical journals: Journal of Neurology, Neurosurgery and Psychiatry; Acta Neurochirurgica; Neurosurgery; and Journal of Neurosurgery. It’s easy to do and knowledge is for everyone, so sign up now.

/J%20Neurol%20Neurosurg%20Psychiatry
Impact Factor 8.272 (2018)
A renowned British journal. Founded in 1920. Published by the BMJ Publishing Group.
/Acta%20Neurochir
Impact Factor 1.929 (2018)
The official journal of the European Association of Neurosurgical Societies. Published by Springer.
/Neurosurgery
Impact Factor 4.605 (2018)
A leading American journal. Founded in 1977 by the Congress of Neurological Surgeons. Published by Lippincott Williams & Wilkins.
/J%20Neurosurg
Impact Factor 4.318 (2018)
A prestigious American journal. Founded in 1944 by the American Association of Neurological Surgeons (AANS). Published by The Journal of Neurosurgery Publishing Group.

Editorial Team 4NS

/P.R.%20Kappen<sup>%20MD</sup>
P.R. Kappen MD
P.R. Kappens is Editor in Chief of 4NS. He currently works as a full-time PhD Candidate at the Department of Neurosurgery of Erasmus Medical Center in Rotterdam.
/M.D.%20Dijkman<sup>%20MD</sup>
M.D. Dijkman MD
M.D. Dijkman is editor at 4NS. He currently works as a Resident (not in training) at the Neurosurgery Department of Radboud University Medical Center.
/I.A.%20Tewarie<sup>%20BSc</sup>
I.A. Tewarie BSc
I.A. Tewarie is editor at 4NS. He currently is a medical student at Erasmus University in Rotterdam and a PhD Candidate in Neurosurgery at Leiden University.
/J.A.C.%20Oortwijn<sup>%20BSc</sup>
J.A.C. Oortwijn BSc
J.A.C. Oortwijn is editor of 4NS. He studies Medicine at the Amsterdam University Medical Centers, VU University Amsterdam.
/S.%20Mohammadian<sup>%20BSc</sup>
S. Mohammadian BSc
S. Mohammadian is editor at 4Neurosurgery. He currently is a medical student at Erasmus University Medical Center.
/I.A.M.%20van%20Erp<sup>%20MSc</sup>
I.A.M. van Erp MSc
I.A.M. van Erp is editor at 4NS. She currently is a medical student and a PhD candidate at the Department of Neurosurgery at Leiden University Medical Center.
/W.J.%20Dronkers<sup>%20MD</sup>
W.J. Dronkers MD
W.J. Dronkers is editor at 4NS. He currently works as a full-time PhD candidate at the department of Neurosurgery of the Amsterdam UMC. Furthermore, he studies health law at the Erasmus University Rotterdam, and philosophy with an interest in bioethics at the Free University Amsterdam.
/Looking%20for%20you!
Looking for you!
Although we have a large team, we can always use additional help! Interested? Send us a message using the form at the top of the site!

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