1. From the Department of Nursing, Division of Basic Medical Sciences (H.-L.H.), Chang Gung Institute of Technology; the Department of Pharmacology (W.-H.T., C.-Y.W., H.-H.W., T.-S.W., C.-M.Y.) Chang Gung University; and the Department of Anesthetics (C.-C.L.), Chang Gung University and Chang Gung Memorial Hospital, Kwei-San, Tao-Yuan, Taiwan.