report by Lil Squid from the Noun Project. See:https://thenounproject.com/term/report/149914

Le-Zhi Wang1, Ri-Qi Su1, Zi-Gang Huang1,2, Xiao Wang3, Wen-Xu Wang1,4, Celso Grebogi5 & Ying-Cheng Lai1,6,7

1 School of Electrical, Computer and Energy Engineering, Arizona State University, 650 E. Tyler Mall, Tempe, Arizona 85287-5706, USA. 2 Institute of Computational Physics and Complex Systems, Lanzhou University, 222 S. Tianshui Road, Lanzhou, Gansu 730000, China. 3 School of Biological and Health Systems Engineering, Arizona State University, 621 E. Tyler Mall, Tempe, Arizona 85287-9709, USA. 4 School of Systems Science, Beijing Normal University, 19 Xinjiekou Outer Street, Beijing, 100875, China. 5 Institute for Complex Systems and Mathematical Biology, King’s College, Meston Walk, University of Aberdeen, Aberdeen AB24 3UE, UK. 6 Institute for Complex Systems and Mathematical Biology, King’s College, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, UK. 7 Department of Physics, Arizona State University, 550 E Tyler Drive, Tempe, Arizona 85287-1504, USA. Correspondence and requests for materials should be addressed to Y.-C.L. (email: [email protected]).