Funding for this research was provided by:
Instituto de Salud Carlos III (CIBEROBN (CB12/03/30038))
European Union, Horizon 2020 (774548)
Fernando Tarongí Bauzà Award (2018)
CIBERESP (MPCUdG2016/69 and GDRCompetUdG2017)
Received: 3 June 2019
Accepted: 13 June 2019
First Online: 15 July 2019
Ethics approval and consent to participate
: Ethics approval was obtained from: the Ethics Committee of Scientific Research in University of Medicine and Pharmacy “Victor Babes”, Timisoara, Romania, October 31st, 2018 (25/31.10.2018), the Balearic Islands Ethics Committee, Mallorca, Spain, February 13th, 2019 (IB 3814/18 PI), and the Research Ethics Committee, Stockholm, Sweden, December 11th, 2018 (2018/2082–31/1). Written informed consent is obtained from all parents or caregivers.
: Not applicable.
: The authors declare that they have no competing interests.