Sarah M Goodday1, John R Geddes2, Stephen H Friend3. 1. 4YouandMe, Seattle, WA 98121, USA; Department of Psychiatry, University of Oxford, Oxford, UK. Electronic address: sarah@4youandme.org. 2. Department of Psychiatry, University of Oxford, Oxford, UK; Oxford Health NHS Foundation Trust, Oxford, UK. 3. 4YouandMe, Seattle, WA 98121, USA; Department of Psychiatry, University of Oxford, Oxford, UK.