RecruitingClinical trialRemote Evaluation and Alerting for Collaborative Health (REACH) in DepressionResearchers hope to see if the data smartphones collect continuously can be used to predict if patient's depression symptoms will return. They will do this by collecting data from patient's smartphones and comparing it to their depression symptoms. If this method is successful, researchers could develop a smartphone application to help healthcare providers better monitor patient's depression and intervene earlier if symptoms return.