Published on in Vol 7, No 4 (2019): April
![Physical Activity and Mobile Phone Apps in the Preschool Age: Perceptions of Teachers and Parents Physical Activity and Mobile Phone Apps in the Preschool Age: Perceptions of Teachers and Parents](https://asset.jmir.pub/assets/3052f21e1b09defc6078673e5a5cd9b5.png 480w,https://asset.jmir.pub/assets/3052f21e1b09defc6078673e5a5cd9b5.png 960w,https://asset.jmir.pub/assets/3052f21e1b09defc6078673e5a5cd9b5.png 1920w,https://asset.jmir.pub/assets/3052f21e1b09defc6078673e5a5cd9b5.png 2500w)
1 Department of Biosciences and Nutrition, The Innovative Use of Mobile Phones to Promote Physical Activity and Nutrition Across the Lifespan Research Group, Karolinska Institutet, Huddinge, Sweden
2 Division of Pediatrics, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Huddinge, Sweden
3 Division of Community Medicine, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
4 Division of Health and Rehabilitation, Department of Health Sciences, Luleå University of Technology, Luleå, Sweden