Funding for this research was provided by:
Medtronic University Chair for Training and Surgical Research.Dpt of Medicine.Universitat Jaume I
Received: 18 September 2017
Accepted: 14 February 2018
First Online: 23 February 2018
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the local ethics and research committee and followed the Declaration of Helsinki guidelines. Written informed consent was required for collecting data.
: Not applicable
: The authors declare that they have no competing interests.
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