Association between polarity of first episode and solar insolation in bipolar I disorder - Bauer, Michael; Glenn, Tasha; Achtyes, Eric D; Alda, Martin; Agaoglu, Esen; Altinbas, Kursat; Andreassen, Ole A; Angelopoulos, Elias; Ardau, Raffaella; Lafer, Beny (Journal of psychosomatic research, 2022)