Funding for this research was provided by:
Ministerio de Economía y Competitividad (BFU2015-64380-C2-2-R)
Generalitat Valenciana (ACIF/2015/078)
Ministerio de Educación, Cultura y Deporte (FPU12/01140)
Text and Data Mining valid from 2018-05-14
Received: 21 December 2017
Revised: 7 March 2018
Accepted: 5 April 2018
First Online: 14 May 2018
Compliance with ethical standards
: The scientific guarantor of this publication is David Moratal.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: One of the authors (David Moratal) has significant statistical expertise.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional Review Board approval was obtained.
: • retrospective• diagnostic or prognostic study• performed at one institution