Funding for this research was provided by:
National Center for Advancing Translational Sciences (8UL1TR000114)
National Institute of Allergy and Infectious Diseases (5T32AI055433)
U.S. Department of Veterans Affairs (1IK2CX001095)
American Lung Association (348261)
Minnesota Veterans Medical Research and Education Foundation (NA)
Received: 11 July 2017
Accepted: 11 December 2017
First Online: 9 January 2018
Ethics approval and consent to participate
: The institutional review boards for human studies at MVAMC and UMMC approved the protocols (#4348-B and #1208M18781, respectively) and written consent was obtained from the subjects.
: Not applicable.
: The authors declare that they have no competing interests.
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