Simões, Maria do Socorro Morais Pereira, Neli Leite Proença, Vinicius Tonon Lauria, Matheus Bibian do Nascimento, Ricardo da Costa Padovani, and Victor Zuniga Dourado. 2021. “Smartphone App With Behaviour Change Techniques to Increase Physical Activity: Sequential Multiple Assignment Randomized Trial: Oral Presentation C4.3”. The Health & Fitness Journal of Canada 14 (3). https://doi.org/10.14288/hfjc.v14i3.666.