Funding for this research was provided by:
National Research Foundation of Korea grant (NRF-2015R1A2A2A04003460)
Article History
Received: 11 March 2020
Accepted: 30 August 2020
First Online: 16 September 2020
Compliance with ethical standards
:
: This work was supported by a National Research Foundation of Korea Grant funded by the Korea Government (NRF-2015R1A2A2A04003460). The funding agency had no role in the data collection, study design, or writing of the manuscript. Dr. W. J. Lee serves as a consultant for Meerecompany (Yongin, Republic of Korea). He was not involved in the surgeries, data collection, or analyses. He provided advice about robotic systems and the setting up of a clinical trial. None of the other authors have conflicts of interest or financial ties to disclose.
: Severance Hospital Institutional Review Board approved the current human study protocol (No. 1–2016-0019).
: Informed consent was obtained from all individual participants included in the study.