[1] Seoul Hospital,Department of Neurology, Soonchunhyang University College of Medicine
[2] Cheonan Hospital,Sleep Disorders Center, Department of Neurology, Soonchunhyang University College of Medicine
[3] Soonchunhyang University College of Medicine,Department of Preventive Medicine
[4] Gangnam Severance Hospital,Department of Neurology, Yonsei University College of Medicine
[5] Severance Hospital,Department of Neurology, Yonsei University College of Medicine
[6] Seoul National University Bundang Hospital,Department of Neurology, Bundang Clinical Neuroscience Center
[7] Samsung Traffic Safety Research Institute,undefined