As part of your participation in the TERA research study, you will be asked to respond to surveys which ask questions about your thoughts, feelings, and behaviors. Additionally, the app will collect sensor data to understand your activity levels, environment and how you use your smartphone. Your app experience is unique and has been designed by the Study Team using the Metricwire Research Portal. All of the data you submit during your study experience is protected by Metricwire and controlled by your Study Team. If you have any questions please contact the TERA study team using the contact information they have provided.