BeActive: Encouraging Physical Activities with Just-in-time Health Intervention and Micro Financial Incentives. - Juho Sun; Sangkeun Park; Gyuwon Jung; Yong Jeong; Uichin Lee; Kyong-Mee Chung; Changseok Lee; Heewon Kim; Suhyon Ahn; Ahsan Khandoker; Leontios J. Hadjileontiadis (AsianCHI@CHI, 2020)