Tam, C. W. C., Pang, E. P. F., Lam, L. C. W., y Chiu, H. F. K. (2004). Severe acute respiratory syndrome (SARS) in Hong Kong in 2003: stress and psychological impact among frontline healthcare workers. Psychological Medicine, 34(7), 1197–1204. https://doi.org/10.1017/s0033291704002247