@article{RufKochEbnerPriemeretal.2021, author = {Alea Ruf and Elena Koch and Ulrich Ebner-Priemer and Monika Knopf and Andreas Reif and Silke Matura}, title = {Studying microtemporal, within-person processes of diet, physical activity, and related factors using the APPetite-mobile-app: feasibility, usability, and validation study}, journal = {Journal of medical internet research}, volume = {23}, number = {7, art. e25850}, pages = {1 -- 17}, doi = {10.2196/25850}, year = {2021}, }