Corrigendum to “Clinical Characteristics of Asymptomatic Patients with SARS-CoV-2 in Zhejiang: An Imperceptible Source of Infection” - Wei Dai; Xinmiao Chen; Xiaoting Xu; Zhefeng Leng; Wenwen Yu; Hui Lin; Huiying Li; Jie Lin; Zhangwei Qiu; Yuanrong Dai (Canadian Respiratory Journal)