Article Information
vol. 69 no. 3 742-748
PubMed
Print ISSN
Online ISSN
History
- Accepted November 17, 2020
- Published online March 4, 2021.
Article Versions
- Previous version (December 3, 2020 - 07:33).
- You are viewing the most recent version of this article.
Copyright & Usage
© American Federation for Medical Research 2021. No commercial re-use. See rights and permissions. Published by BMJ.
Author Information
- 1 Department of Respiratory Disease, Chongqing Medical University Affiliated Children's Hospital, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
- 2 School of Public Health and Management, Chongqing Medical University, Chongqing, China
- Correspondence to Dr Jilei Lin, Department of Respiratory Disease, Chongqing Medical University Affiliated Children's Hospital, Chongqing 400000, China; jilei_lin{at}163.com