Received: 5 October 2020
Accepted: 4 May 2021
First Online: 21 May 2021
: Written informed consent is requested from each participating family and signed by parent or children legal guardian. Children and their families can leave the study at any time, and their data will be automatically deleted.The anthropometric data collected will be kept strictly private, and in a gender-dependent manner. The study protocol was approved by the ethics committee (CEIm) of Fundació Sant Joan de Déu, Barcelona, Spain (CI PIC-169-19). Any modification of the study protocol will be amended in the trial registration system (ISRCTN12682870).The main results of the FIVALIN project will be disseminated to public through a press release and a press conference that will reach the main mass media in Spain. At the same time, results will be shared through the social networks of the Gasol Foundation. A summary of the main results will be shared with all the participants families and CCC’s and will be uploaded to the Gasol Foundation web page.A main results full report will be created, distributed and uploaded to the Gasol Foundation web page. This report will recognize all the authors’ contributions and will specify all the participants CCC and supporting institutions.
: Not applicable.
: The authors declare that they have no competing interests. FIVALIN project is financially supported by Nike, a commercial organization dedicated to sport.