Funding for this research was provided by:
Universidad de Granada (24/09/2011)
Ministerio de Educación, Cultura y Deporte (FPU14/05461)
Received: 29 May 2018
Accepted: 25 January 2019
First Online: 6 February 2019
Ethics approval and consent to participate
: This study was approved by the Independent Ethics Committee of San Cecilio Hospital and written consents were provided and signed by all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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