Funding for this research was provided by:
Horizon 2020 Framework Programme (689802)
Received: 20 February 2019
Accepted: 20 May 2019
First Online: 11 June 2019
Ethics approval and consent to participate
: Written informed consent will be obtained from all participants. All the protocols submitted were approved by the Ethics Institutional Board (CEIm) of the Hospital Clinic of Barcelona. Committee reference numbers are: 2016/ 0883, 2017/0451 and 2017/0453.
: Not applicable.
: The authors declare that they have no competing interests.