Hypersensitivity in the lungs is responsible for acute respiratory failure in COVID‐19 patients: Case series of patients who received high‐dose/short‐term methylprednisolone - Meizhu Chen; Changli Tu; Cuiyan Tan; Xiaobin Zheng; Fengfei Sun; Yingjian Liang; Honglei Shi; Jian Wu; Yiying Huang; Zhenguo Wang; Kongqiu Wang; Minmin Lin; et al. (Clinical and Translational Allergy, 2021)