Here is the CMT Uptime check phrase
PUBLICATIONS

To Prompt or Not to Prompt? A Microrandomized Trial of Time-Varying Push Notifications to Increase Proximal Engagement With a Mobile Health App

Almirall, Daniel; Nahum-Shani, Inbal; Murphy, Susan A.; Bidargaddi, Niranjan; Kovalcik, Michael; Pituch, Timothy; Maaieh, Haitham; Strecher, Victor. (2018). To Prompt or Not to Prompt? A Microrandomized Trial of Time-Varying Push Notifications to Increase Proximal Engagement With a Mobile Health App. JMIR mHealth and uHealth. 6(11), e10123.