title: Estimating the dilemma strength for game systems: Comment on "Universal scaling for the dilemma strength in evolutionary games", by Z. Wang et al.
authors.affiliation: School of Mathematical Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China. Electronic address: xiaojiechen@uestc.edu.cn.
authors.forename: Xiaojie
authors.initials: X
authors.lastname: Chen
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005716:Game Theory; D006801:Humans