Authentic nursing leadership and safety climate across hospital settings during the COVID-19 pandemic: a cross-sectional study - Bernardes, Andrea; Dias, Bruna Moreno; Moura, André Almeida de; Morcelli, Lorena Maria Barcellos; Gardim, Lucas; Araújo, Agostinho A. C; Gabriel, Carmen Silvia; Cummings, Greta G (Journal of Advanced Nursing, 2025)