“…Many of these challenges were exacerbated by the pandemic situation; for instance, the lack of hospital beds, manpower, and materials, such as personal protective equipment [ 38 ]. These challenges called for changes such as the development of new systems and protocols of care, and new ways of working, which were mostly coordinated by nurse managers [ 38 ]. Their role in sustaining the quality of care was rated the most important in past studies, involving personal mastery such as their abilities to handle contingencies and projecting a sense of confidence, calm, control, and security during crises [ 39 , 40 , 41 ].…”