1. Center for Health Promotion Research and Development, University of Texas Health Science Center at Houston
2. Baylor College of Medicine, Houston, Texas
3. Department of Educational Psychology, University of Houston, Texas
4. Texas Children's Hospital, Houston, Texas
5. Department of Psychology, University of Houston, Texas
6. Department of Pediatrics, MCP Hahnemann School of Medicine, Allegheny University of the Health Sciences, Clinical Affairs, and Cystic Fibrosis Center at St. Christopher's Hospital for Children, Philadelphia, Pennsylvania
7. Allergy, Immunology and Pulmonary Medicine Department of Children's National Medical Center, Washington, DC
8. Pulmonary Services, Respiratory Care Department, and Children's Asthma Center at Baylor College of Medicine, Houston, Texas