1. Lankenau Medical Center and Lankenau Institute for Medical Research, Jefferson Medical School, Villanova School of Law, Villanova, PA
2. University of Minnesota, Minneapolis, MN
3. Sleep Medicine Services, HealthEast Care Systems of Minnesota, Minneapolis, MN
4. NHMRC Centre for Integrated Research and Understanding of Sleep (CIRUS), Woolcock Institute of Medical Research, Sydney, Australia
5. UCLA Sleep Disorders Center, Department of Neurology David Geffen School of Medicine at UCLA, UCLA, Los Angeles, CA