Association between solar insolation and a history of suicide attempts in bipolar I disorder - Bauer, Michael; Glenn, Tasha; Alda, Martin; Andreassen, Ole A; Angelopoulos, Elias; Ardau, Raffaella; Ayhan, Yavuz; Baethge, Christopher; Bauer, Rita; Lafer, Beny (Journal of psychiatric research, 2019)