Stressors faced by healthcare professionals and coping strategies during the early stage of the COVID-19 pandemic in Germany - Frenkel, M. O.; Pollak, K. M.; Schilling, O.; Voigt, L.; Fritzsching, B.; Wrzus, C.; Egger-Lampl, S.; Merle, U.; Weigand, M. A.; Mohr, S. (PLOS ONE, 2022)