A mobile phone food record app to digitally capture dietary intake for adolescents in a free-living environment: usability study.
Shanon L CaspersonJared SielingJon MoonLuAnn K JohnsonJames N RoemmichLeah D WhighamPublished in: JMIR mHealth and uHealth (2015)
Clinicaltrials.gov NCT01803997. http://clinicaltrials.gov/ct2/show/NCT01803997 (Archived at: http://www.webcitation.org/6WiV1vxoR).