The impact of informal caregiving on the mental health of health care workers during the COVID-19 pandemic-cross-sectional and longitudinal results from the VOICE study. - Wintermann GB; Bornhorn AI; Steudte-Schmiedgen S; Albus C; Baranowski AM; Beschoner P; Erim Y; Geiser F; Jerg-Bretzke L; Morawa E; Mogwitz S; Weidner K (Frontiers in public health, 2025)