Ho-Tien Lin1, Shen-Chih Wang1, Zhiyi Zuo2, Mei-Yung Tsou1, Kwok-Hon Chan1, Hui-Bih Yuan1
1Department of Anesthesiology, Taipei Veterans General Hospital and National Yang-Ming University School of Medicine, Taipei, Taiwan, ROC
2Department of Anesthesiology, University of Virginia Health System, Charlottesville, VA 22908-0710, USA