**Mar´ıa Luisa Ballestar-Tar´ın, Conch´ın Sim ´o-Sanz, Elena Chover-Sierra, Carlos Saus-Ortega, Mar´ıa del Carmen Casal-Angulo and Antonio Mart´ınez-Sabater**

Self-Perception of Dependence as an Indicator of Smartphone Addiction—Establishment of a Cutoff Point in the SPAI–Spain Inventory

Reprinted from: *Int. J. Environ. Res. Public Health* **2020**, *17*, 3838, doi:10.3390/ijerph17113838 . . **429**
