1 Division of Allergy Immunology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
2 Division of Pulmonary Disease and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota.
3 Division of Pulmonary Critical Care Medicine, Columbia University Medical Center, New York, New York.
4 Preventive Medicine and Environmental Health, University of Kentucky, Louisville, Kentucky.
5 Division of Pulmonary, Allergy and Critical Care Medicine, Columbia University Medical Center, New York, New York.
6 Pulmonary Medicine, Mount Sinai Hospital, New York, New York.
7 Division of Pulmonary, Critical Care, and Sleep Medicine, Georgetown University Medical Center, Washington, DC.
8 Division of Allergy and Pulmonary Medicine, Mayo Clinic Florida, Jacksonville, Florida.
9 Pulmonary Clinical Medicine Section, National Heart, Lung, and Blood Institute, Bethesda, Maryland.
10 Division of Mycobacterial and Respiratory Infections, National Jewish Health, Denver, Colorado.
11 Division of Infectious Diseases, Oregon Health and Science University, Portland, Oregon.
12 UCONN Center for Bronchiectasis Care, University of Connecticut School of Medicine, Farmington, Connecticut.
13 Medicine Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Miami Miller School of Medicine, Miami, Florida.
14 Marsico Lung Institute/Cystic Fibrosis Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
15 Pulmonary Medicine and Critical Care Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina.
16 Pulmonary Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.
17 Pulmonary Infectious Disease Section, University of Texas Health Science Center, Tyler, Texas.
18 Division of Allergy Immunology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania. Electronic address: sullivank@email.chop.edu.