Correction to: BMC Oral Health (2022) 22:481 https://doi.org/10.1186/s12903-022-02501-x

In this article, the affiliation details for the author Zhancheng Gao were incorrectly given as “Department of Respiratory and Critical Care Medicine, Peking University People's Hospital, Beijing, China” and “Department of Pulmonary and Critical Care Medicine, Peking University People's Hospital, Beijing, 100044, China” but should have been only “Department of Respiratory and Critical Care Medicine, Peking University People's Hospital, Beijing, China”.

The revised affiliations are given below:

Zhixia Zhang1, Wenyi Yu2, Guangyao Li3, Yukun He2, Zhiming Shi4, Jing Wu1, Xinqian Ma2, Yu Zhu3, Lili Zhao2, Siqin Liu5, Yue Wei6, Jianbo Xue2, Shuming Guo1* and Zhancheng Gao2*

1Nursing Department, Linfen Central Hospital, 041000 Shanxi, Shanxi, China

2Department of Respiratory and Critical Care Medicine, Peking University People’s Hospital, Beijing, China

3Science and Education Department, Linfen Central Hospital, Hainan, Shanxi, China

4Cardiology Department, Linfen Central Hospital, Hainan, Shanxi, China

5The Stomatology College of Binzhou Medical University, Yantai, Shandong, China

6Nursing College of Shanxi Medical University, Shanxi, China