Text and Data Mining valid from 2018-07-13
Received: 14 September 2017
Accepted: 29 June 2018
First Online: 13 July 2018
: The authors declares that they have no competing interests.
: This study was approved by the Ethics Committee for Biomedical Research (protocol no. 2013/0045) of La Fe University Hospital, Valencia, Spain.
: Not applicable
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