Energy Cost Expression for a Youth Compendium of Physical Activities: Rationale for Using Age Groups.
Pfeiffer KA, Watson KB, McMurray RG, Bassett DR, Butte NF, Crouter SE, Herrmann SD, Trost SG, Ainsworth BE, Fulton JE, Berrigan D; CDC/NCI/NCCOR Research Group.
Pfeiffer KA, et al. Among authors: ainsworth be.
Pediatr Exerc Sci. 2018 Feb 1;30(1):142-149. doi: 10.1123/pes.2016-0249. Epub 2017 Nov 11.
Pediatr Exerc Sci. 2018.
PMID: 28787244
Free PMC article.