Article History
Received: 4 January 2021
Accepted: 6 May 2021
First Online: 13 May 2021
Change Date: 9 June 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12890-021-01562-y
Declarations
:
: The establishment of this database was approved by the Massachusetts Institute of Technology (Cambridge, MA) and Beth Israel Deaconess Medical Center (Boston, MA), and consent was obtained for the original data collection. Therefore, the ethical approval statement and the need for informed consent were waived for this manuscript.
: Not applicable.
: The authors declare that they have no competing interests.