Corrigendum: Microbial Community and Its Association With Physicochemical Factors During Compost Bedding for Dairy Cows - Sun, Likun; Han, Xiangmin; Li, Jianshu; Zhao, Zhidong; Liu, Yuzhen; Xi, Qiming; Guo, Xinyu; Gun, Shuangbao (Frontiers in Microbiology, 2020)