Blood biomarkers for estimating energy intake in Japanese male collegiate athletes: a pilot study | BMC Sports sciences

  Study design and participants This observational cross-sectional study was approved by the Juntendo University Ethics Committee (approval no.: 29-82, date: September 11, 2017) and the Wayo Women’s University Ethics Committee for Biological and Epidemiological Studies directed at humans (approval no.: 1851 , date: April 5, 2019) and was conducted in accordance with the Declaration…