1. Department of Otolaryngology–Head and Neck Surgery, Medical School, University of Michigan, Ann Arbor, Michigan, USA
2. Department of Otolaryngology–Head and Neck Surgery, School of Medicine, Wayne State University, Detroit, Michigan, USA
3. National Tracheostomy Safety Project, National Health System, Manchester, UK
4. Anaesthesia and Intensive Care Medicine, Manchester University NHS Foundation Trust, Manchester, UK
5. Department of Otolaryngology–Head and Neck Surgery, School of Medicine, Stanford University, Stanford, California, USA
6. Department of Otolaryngology–Head and Neck Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
7. Society of Otorhinolaryngology and Head-Neck Nurses, School of Nursing, Johns Hopkins University
8. Bayhealth Medical Group, Milford, Delaware, USA
9. Children’s National Medical Center, Washington, DC, USA
10. Department of Otolaryngology–Head and Neck Surgery, Winship Cancer Institute, School of Medicine, Emory University, Atlanta, Georgia, USA
11. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
12. Department of Health Policy and Management, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
13. Georgetown University, Washington, DC, USA
14. American Board of Otolaryngology–Head and Neck Surgery, Houston, Texas, USA