Funding for this research was provided by:
CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN) and Instituto de Salud Carlos III
ERC Advanced Research Grant (340918)
Received: 16 June 2019
Accepted: 27 November 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: All participants provided written informed consent, and the study protocol and procedures were approved according to the ethical standards of the Declaration of Helsinki by The International Review Board (IRB) of Hospital Clinic in Barcelona, Spain (July 2002). Following this, IRBs of all other centers approved.
: Not applicable.
: The authors declare that they have no competing interests.