Cynthia L Comella Editor & Author

Harold R. Smith is Clinical Professor, Department of Neurology and Director Emeritus, Center for Sleep Medicine at the University of California, Irvine, CA, USA. Cynthia L. Comella is a Professor for Neurological Sciences, Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA. Birgit Högl is Head of the Sleep Disorders Clinic, Department of Neurology, Innsbrück Medical University, Innsbrück, Austria.