TEOFILO L. LEE-CHIONG, MD, is Associate Professor, Department of Medicine, National Jewish Medical and Research Center in Denver, Colorado. He has served as associate professor in the Department of Medicine at the University of Arkansas College of Medicine, where he was awarded the Red Sash Award for Excellence in Medical Education (2000). He performed his residency and fellowship in internal medicine and pulmonary and critical care at Yale University School of Medicine, followed by a post-fellowship in sleep medicine at Dartmouth Medical School.