Funding for this research was provided by:
Rafael Bernabeu Foundation (-)
Text and Data Mining valid from 2020-02-07
Received: 28 November 2019
Accepted: 4 February 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the standards of the Ethical Committee of San Juan (Alicante, Spain) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Ethical Committee of San Juan (Alicante, Spain). Written informed consent was obtained from all participants.
: Not applicable.
: JLl receives research grants and lecture fees from Merck-Serono. The remaining authors declare that they have no competing interests.