Published on in Vol 10, No 3 (2022): March
![Comparing Reminders Sent via SMS Text Messaging and Email for Improving Adherence to an Electronic Health Program: Randomized Controlled Trial Comparing Reminders Sent via SMS Text Messaging and Email for Improving Adherence to an Electronic Health Program: Randomized Controlled Trial](https://asset.jmir.pub/assets/8eee9dbc93c8f5532c3cb8978f5d4669.png 480w,https://asset.jmir.pub/assets/8eee9dbc93c8f5532c3cb8978f5d4669.png 960w,https://asset.jmir.pub/assets/8eee9dbc93c8f5532c3cb8978f5d4669.png 1920w,https://asset.jmir.pub/assets/8eee9dbc93c8f5532c3cb8978f5d4669.png 2500w)
1 Department of Addictology, General University Hospital in Prague, Prague, Czech Republic
2 Department of Addictology, First Faculty of Medicine, Charles University, Prague, Czech Republic
3 Department of Psychology, Faculty of Education, Charles University, Prague, Czech Republic
4 Department of Cybernetics, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic
5 The Norwegian Centre for Addiction Research (SERAF), Faculty of Medicine, University of Oslo, Oslo, Norway
6 Department of Psychology, Faculty of Social Sciences, University of Oslo, Oslo, Norway