1. Volume 150, Issue 6, Pages 1413-1414 (December 2016)
Response 
Katherine O’Neill, PhD, J. Stuart Elborn, MD, Michael M. Tunney, PhD, Judy M. Bradley, PhD 
CHEST 
Volume 150, Issue 6, Pages (December 2016)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1
Bland-Altman plot for the first and third washout repeats for (A) healthy control adults (n = 28) and (B) healthy control children (n = 28). LCI = lung clearance index.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

3. Figure 2
Bland-Altman plot for LCI visit 1 and LCI visit 2 in patients with cystic fibrosis (n = 56). LCI = lung clearance index.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions