1. School of Management, Shandong University, 12589 Jinan, Shandong, China, (e-mail: zhangjianghua@sdu.edu.cn)
2. School of Management, Shandong University, 12589 Jinan, Shandong, China, (e-mail: mseliuyang@mail.sdu.edu.cn)
3. College of Automation, Chongqing University, Chongqing, China, 400044 (e-mail: suxiaojie@cqu.edu.cn)
4. Electrical and Electronic Engineering, University of Adelaide, Adelaide, South Australia, Australia, SA 5005 (e-mail: peng.shi@adelaide.edu.au)