1 Department of Anesthesiology, The Jikei University School of Medicine, 3-25-8 Nishishimbashi, Minatoku, Tokyo, 105-8461, Japan. yamatouci0704@gmail.com.
2 Department of Anesthesiology, The Jikei University School of Medicine, 3-25-8 Nishishimbashi, Minatoku, Tokyo, 105-8461, Japan.