1. From the School of Information Engineering, Wuhan University of Technology, Wuhan, China (L.M.); the Department of Bioengineering (L.M., W.L.), the California Nanosystems Institute (W.L.), the Department of Electrical and Computer Engineering (W.L.), and the Department of Anesthesiology and Perioperative Medicine (A.E.H.), University of California, Los Angeles, California.