Funding for this research was provided by:
National Heart, Lung, and Blood Institute (R01HL128361, K08HL135266)
National Institute of Allergy and Infectious Diseases (U19 AI125378)
Parker B. Francis Foundation
Received: 10 November 2017
Accepted: 16 May 2018
First Online: 29 May 2018
Ethics approval and consent to participate
: Written consent was obtained from parents of subjects and assent was obtained for children ≥ age 10 years to participate in this. The work presented in this study was approved by the Seattle Children’s Hospital Institutional Review Board.
: The authors declare that they have no competing interests, financial or non-financial.
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