Funding for this research was provided by:
Instituto de Salud Carlos III. Ministerio de Sanidad España (99.220 Euros)
Text and Data Mining valid from 2019-11-06
Received: 1 June 2019
Accepted: 24 August 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: This clinical study protocol has been approved by the Hospital Gregorio Marañon Ethics Committee on 12 March 2018 (approval number 2017).We will obtain informed and signed consent from patients when recruiting before the surgery. The patients can withdraw from the trial at any time.
: All authors agree to the submission to <i>Trials</i> and publishing of this article.
: The authors declare that they have no competing interests.