Corrigendum: Prevalence of post-traumatic stress disorder status among healthcare workers and its impact on their mental health during the crisis of COVID-19: A cross-sectional study - Yang, Yue; Liu, Di; Liu, Bingshuo; Ou, Weiyan; Wang, Licheng; Ma, Yuanshuo; Fan, Lihua; Shi, Yu; Shi, Lei (Frontiers in Public Health, 2022)