Funding for this research was provided by:
Secretaría de Estado de Investigación, Desarrollo e Innovación (BFU2015-67107)
Ministerio de Economía, Industria y Competitividad, Gobierno de España (SEV-2012-02-08)
“la Caixa” Foundation (Saca la Lengua)
Text and Data Mining valid from 2018-12-01
Received: 12 February 2018
Accepted: 6 November 2018
First Online: 6 December 2018
Ethics approval and consent to participate
: All participants, and at least one of their parents or legal guardians for those under the age of 18, signed a consent form to use their saliva samples for microbiome research. This consent form and the purpose of this project received approval by the ethics committee of the Barcelona Biomedical Research Park (PRBB).
: All participants signed an informed consent form. Data is anonymous.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.