1. Children's Hospital of Minnesota Cystic Fibrosis Center, Minneapolis, MN,
2. University of Minnesota School of Nursing, Minneapolis, MN,
3. University of Utah, College of Nursing, Salt Lake City, UT,
4. Division of Pulmonary, Allergy, Critical Care Medicine and Sleep, Minneapolis, MN,
5. University of Vermont Medical Center, Burlington, VT,
6. Cystic Fibrosis Foundation, Bethesda, Maryland, Bethesda, MD