Information about funding

SOURCE OF FUNDING

The authors should indicate the financial and material support that the study may have received, and indicate the organization, agency, institution or company, and the number of the project, agreement or contract. They should also briefly describe the role played by these sponsors in the design of the study, the collection, analysis and interpretation of the data, the writing of the article or the decision to submit the article for publication. In the absence of external funding, this should also be stated. If the manuscript is accepted, this information will be included in the final article, in the section entitled Source of Funding.