1 Department of Emergency Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
2 Department of Neurology, Chang Gung Memorial Hospital-Linkou Medical Center, Taoyuan City, Taiwan; School of Medicine, College of Medicine, Chang Gung University, Taoyuan City, Taiwan.
3 Department of Emergency Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan. Electronic address: chihjung0729@gmail.com.