Children hospitalized for coronavirus disease 2019 (COVID-19): A multicenter retrospective descriptive study. Issue 2 (August 2020) - Zhang, Bin; Liu, Shuyi; Zhang, Jue; Xiao, Jijie; Zhu, Shen; Dong, Yuhao; Yuan, Huanchu; Zhong, Qingyang; Yang, Ke; Zou, Yujian; Zhang, Shuixing