1. Department of Medicine, University of California San Francisco, San Francisco, CA, USA
2. Department of Pharmacy, University of California San Francisco, San Francisco, CA, USA
3. Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
4. Research Unit, Hospital Universitario NS de Candelaria, Santa Cruz de Tenerife, Spain
5. Department of Bioengineering and Therapeutic Sciences, University of California San Franscisco, San Francisco, CA, USA
6. Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
7. Department of Pulmonology, Texas Children's Hospital, Houston, TX, USA
8. Department of Primary Care, UCSF Benioff Children's Hospital, San Francisco, CA, USA
9. Department of Medicine, Northwestern University, Evanston, IL, USA
10. Department of Pediatric Pulmonology, Jacobi Medical Center, Bronx, NY, USA
11. Department of Pediatrics, Bay Area Pediatrics, Oakland, CA, USA
12. Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
13. Department of Allergy and Immunology, Kaiser Permanente Vallejo Medical Center, San Francisco, CA, USA
14. Department of Pulmonary/Critica Care, VA Caribbean Healthcare System, San Juan, Puerto Rico
15. Department of Medicine, University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA, USA
16. Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA, USA
17. Department of Pediatric Pulmonology and Critical Care, Centro de Neumología Pediátrica, San Juan, Puerto Rico
18. Center for Health Policy and Health Services Research, Henry Ford Health System, Detroit, MI, USA
19. Department of Internal Medicine, Henry Ford Health System, Detroit, MI, USA