Effectiveness of PUSH notifications from a mobile app for improving the body composition of overweight or obese women: a protocol of a three-armed randomized controlled trial. - Alberto Hernández-Reyes; Guillermo Molina-Recio; Rafael Molina-Luque; Juan M. Palomo-Romero; F. Cámara-Martos; R. Moreno-Rojas (BMC Medical Informatics Decis. Mak., 2020)