Text and Data Mining valid from 2019-12-01
Received: 20 September 2018
Accepted: 23 September 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: Oral and written informed consent will be obtained for every participant by the treating surgeon. The study protocol (currently version 2.1) was approved by the ethical committee of Kobe University on 30 March 2018. The study will be performed in accordance with the declaration of Helsinki [CitationRef removed] and the Kobe University Conflicts of Interest Management Guidelines. This trial is registered in the University Hospital Medical Information Network (UMIN) register with identification number UMIN000031244. Registered on 1 May 2018. All the results will be presented with the SPIRIT (Standard Protocol Items: Recommendations for Interventional Trials) statement (Additional file InternalRef removed).
: Not applicable.
: The authors declare that they have no competing interests.