Published on in Vol 3, No 1 (2017): CHC Issue
![Development of a Monitoring System for Smartphone Overuse Development of a Monitoring System for Smartphone Overuse](https://asset.jmir.pub/assets/cec5b4451564b2d520f2f2ca969a7b0c.png 480w,https://asset.jmir.pub/assets/cec5b4451564b2d520f2f2ca969a7b0c.png 960w,https://asset.jmir.pub/assets/cec5b4451564b2d520f2f2ca969a7b0c.png 1920w,https://asset.jmir.pub/assets/cec5b4451564b2d520f2f2ca969a7b0c.png 2500w)
1 School of Public Health, Fudan University, Shanghai, China
2 Health Communication Institute, Fudan University, Shanghai, China
3 The Key Laboratory of Public Health Safety, Fudan University, Shanghai, China
4 Fudan-Pudong Preventive Medicine Institute, Shanghai, China
5 School of Computer Science, Fudan University, Shanghai, China
*these authors contributed equally