1. College of Mathematics and Computer Science; Key Laboratory of High Performance Computing and Stochastic Information Processing; Ministry of Education of China; Hunan Normal University; Changsha Hunan China
2. Key Laboratory for Neuroinformation; Ministry of Education of China; School of Life Science and Technology; University of Electronic Science and Technology of China; Chengdu 610054 China
3. School of Psychology and Center for Studies of Psychological Application; South China Normal University; Guangzhou China
4. Center for Optoelectronic Biomedicine; National Taiwan University College of Medicine; Taipei 100 Taiwan
5. Centre for Computational Systems Biology; School of Mathematical Sciences; Fudan University; Shanghai China
6. Department of Computer Science; University of Warwick; Coventry United Kingdom