ten Velden Hegelstad W, Joa I, Barder H, Evensen J, Haahr U, Johannessen JO, Langeveld J, Melle I, Opjordsmoen S, Rossberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S, Larsen TK. Variation in duration of untreated psychosis in an 18-year perspective. Early intervention in psychiatry Nov 2014;8(4):323-331.
Austad G, Joa I, Johannessen JO, Larsen TK. Gender differences in suicidal behaviour in patients with first-episode psychosis. Early intervention in psychiatry Aug 2015;9(4):300-307.
Barder HE, Sundet K, Rund BR, Evensen J, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Rossberg JI, Simonsen E, Vaglum P, McGlashan T, Friis SP. 10 year course of IQ in first-episode psychosis: relationship between duration of psychosis and long-term intellectual trajectories. Psychiatry research Feb 28 2015;225(3):515-521.