Text and Data Mining valid from 2018-07-18
Received: 4 December 2017
Accepted: 5 July 2018
First Online: 18 July 2018
Ethics approval and consent to participate
: This project was approved by the Ethical Research Committee (CER) at the Universitat Internacional de Catalunya. Data used in this study is not openly available and has received permission by public administration to use this.
: Not applicable.
: The authors declare that they have no competing interests.
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