Counter-regulatory renin-angiotensin system in hypertension: Review and update in the era of COVID-19 pandemic.

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"This work was supported by the National Natural Science Foundation of China (82000462) (Y.Z.), Research Grants Council of Hong Kong (SRFS2021-4S04) (Y.H.), and Guangdong Basic and Applied Basic Research Foundation (2021B1515020005) (S.C.). Hongyin Chen: Investigation, Writing – original draft, Visualization. Jiangyun Peng: Investigation, Writing – original draft. Tengyao Wang: Investigation, Writing – original draft. Jielu Wen: Investigation, Writing – original draft. Sifan Chen: Investigation, Supervision, Funding acquisition, Writing – review & editing. Yu Huang: Supervision, Funding acquisition, Writing – review & editing. Yang Zhang: Conceptualization, Supervision, Funding acquisition, Writing – original draft, Writing – review & editing."