Puigvert, Lidia
Gelsthorpe, Loraine
Soler-Gallart, Marta
Flecha, Ramon
Article History
Received: 19 June 2018
Accepted: 24 April 2019
First Online: 28 May 2019
Competing interests
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as competing interests.
: As explained in the Methods section, dataset used in the current study was approved by the Ethics Committee involved in the evaluation of Marie Sklodowska-Curie Actions (H2020 Rules for Participation, Art. 14. Official Journal of the EU 2013). All subjects were informed about the research and gave voluntary written informed consent in accordance with the Declaration of Helsinki (World Medical Association 2013).