[1] Univ North Carolina, Dept Pediat, Div Pulmonol, Sch Med, Chapel Hill, NC USA
[2] Oregon Hlth & Sci Univ, Div Pulm & Crit Care Med, Dept Med, Portland, OR USA
[3] Johns Hopkins Univ, Sch Nursing, Baltimore, MD USA
[4] Massachusetts Gen Hosp, Dept Psychiat, Boston, MA USA
[5] UC San Diego Hlth, Pulm Serv Line, San Diego, CA USA
[6] Univ Penn, Perelman Sch Med, Dept Med, Div Pulm Allergy & Crit Care Med, Philadelphia, PA USA
[7] Univ Alabama Birmingham, Dept Phys Therapy, Birmingham, AL USA
[8] Univ Alabama Birmingham, Adult Cyst Fibrosis Ctr, Birmingham, AL USA
[9] Royal Brompton Hosp, Adult Cyst Fibrosis Ctr, London, England
[10] Emory Univ, Dept Pediat, Atlanta, GA USA
[11] Childrens Healthcare Atlanta, Atlanta, GA USA
[12] Emory Univ, Cyst Fibrosis Care Ctr, Atlanta, GA USA
[13] Doernbecher Childrens Hosp, Pediat Cyst Fibrosis Ctr, Portland, OR USA
[14] Univ Calgary, Dept Psychol, Calgary, AB, Canada
[15] Alberta Childrens Prov Gen Hosp, Res Inst, Calgary, AB, Canada
[16] Nottingham Univ Hosp NHS Trust, Pharm Dept, Nottingham, England
[17] Cyst Fibrosis Fdn, Bethesda, MD USA
[18] Emory Univ, Dept Family & Prevent Med, Div Palliat Med, Atlanta, GA USA