| Reliability: how well do digital biomarkers associate with mental health? | More RCTs comparing digital phenotyping with clinician’s prediction Comparison of different parameters More research into developing algorithms Investigating the use of machine learning Research in healthy individuals
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| Clinical utility: does it help to improve symptoms and clinical evaluation? | Testing benefits of quick detection of onset/relapse Research into role of monitoring in treatment or during follow-up Defining clinical outcomes based on symptoms in future studies
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| Privacy: how much personal information will be gathered? | Data are regarded as medical data to which medical confidentiality laws are applicable Protection of data by dedicated regulation Restricted amount of and ‘content-free’ data modalities Retractable informed consent
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| Regulation: who is accountable for proper use and protection of data? | Only approved apps: guidance for clinicians Only use by healthcare professionals Healthcare professional is responsible for choosing reliable commercial apps
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| Application: what should it be used for? | |