**Mengyao Shi, Xiangyu Zhai, Shiyuan Li, Yuqing Shi and Xiang Fan**

The Relationship between Physical Activity, Mobile Phone Addiction, and Irrational Procrastination in Chinese College Students

Reprinted from: *Int. J. Environ. Res. Public Health* **2021**, *18*, 5325, doi:10.3390/ijerph18105325 . . . **201**
