Usability testing of EatsUp®: mobile application for monitoring balanced dietary practices and active lifestyle among adolescents - a study in Jakarta, Indonesia. - Erfi Prafiantini; Rina Agustina; Betty Purwandari; Dian Novita Chandra; Dini Rahma Bintari; Fellatinnisa Zafira Rajwadini; Jihan Farhanah; Aryono Hendarto (Frontiers Digit. Health, 2025)