Interpretable Machine Learning for COVID-19: An Empirical Study on Severity Prediction Task. - Wu, Han; Ruan, Wenjie; Wang, Jiangtao; Zheng, Dingchang; Liu, Bei; Geng, Yayuan; Chai, Xiangfei; Chen, Jian; Li, Kunwei; Li, Shaolin; Helal, Sumi (IEEE Trans. Artif. Intell., 2023)