Youth Experience Tracker Instrument: A self‐report measure of developmental antecedents to severe mental illness. - Patterson, Victoria C.; Pencer, Alissa; Pavlova, Barbara; Awadia, Alim; MacKenzie, Lynn E.; Zwicker, Alyson; Drobinin, Vladislav; Howes Vallis, Emily; Uher, Rudolf (Early Intervention in Psychiatry, 2021)