2.2. Subjects
A convenience sample of athletes was screened from a local swimming team. To be included, male and female athletes should be healthy, over 12 years old, and train regularly on the competitive team. The study was registered on ClinicalTrials (NCT03886376) and approved by the Sao Paulo State University Research Ethics Committee (CAAE: 92348518.2.0000.5402). Both participants and their legal guardians were informed about the study’s risks and benefits and gave informed consent.