1. Mayo Clinic Center for Sleep Medicine, Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
2. NorthShore University HealthSystem, Evanston, IL
3. Northwestern University Feinberg School of Medicine, Chicago, IL
4. Willes Consulting Group, Inc.
5. SleepMed, Columbia, SC
6. Sleep Medicine Services Mail Line Health, Wynnewood, PA