Updates are available Correction dated 2018-03-24
Click to view Correction: https://doi.org/10.1007/s00701-018-3518-8
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Authors
Lee, Dong Hyun
Choi, Yoon Jin
Han, In-bo
Hong, Je Beom
Do Han, Kyung
Choi, Jung Min
Sohn, Seil http://orcid.org/0000-0001-5724-8099
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Funding
Funding for this research was provided by:
Ministry of Education (NRF-2017R1D1A1B03032980)
Ministry of Health and Welfare (HR16C0002)
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Article History
Received: 28 October 2017
Accepted: 14 February 2018
First Online: 22 February 2018
Change Date: 24 March 2018
Change Type: Correction
Change Details: The authors regret to state that an incorrect image was uploaded in Fig. 2. Please see a newly updated Fig. 2. All statements including Figure Legends are correct.
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.The need for informed consent was waived because the data used consisted of de-identified secondary data released for research purposes and were analyzed anonymously.
