Article History
Received: 9 January 2024
Accepted: 13 March 2024
First Online: 9 April 2024
Declarations
:
: J. Kim, S.K. Park and J. Chung declare that they have no competing interests.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of our Institutional Review Board with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent: in this retrospective study the requirement for informed consent was waived. Consent for publication: we ensure that <i>Acta Neurochirurgica</i> has our permission to publish this article.