Characteristics of the participants in terms of primary role, duration of working in the emergency unit and years of professional service (n = 35).

Characteristics of the participants in terms of primary role, duration of working in the emergency unit and years of professional service (n = 35).研究参与者的特征基于核心岗位、急诊科室工作时长及从业年限进行统计（样本量n=35）。