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Physician respondent characteristics
| Characteristics | n (%) |
|---|---|
| Specialty, n = 88 | |
| Pediatric pulmonologist | 73 (83) |
| Pediatric rheumatologist | 13 (14.8) |
| Pediatrician | 1 (1.1) |
| Allergist | 1 (1.1) |
| Practice location, n = 87 | |
| North America | 69 (79.3) |
| Middle East | 6 (6.9) |
| Europe | 5 (5.7) |
| South America | 3 (3.4) |
| Asia | 2 (2.3) |
| Africa | 2 (2.3) |
