1. School of Mathematics and Statistics, University of Sydney, Sydney, Australia
2. School of Business, University of South Australia, Adelaide, Australia
3. Department of Quantitative Finance, College of Technology Management, National Tsing Hua University, Hsinchu, Taiwan
4. Econometric Institute, Erasmus School of Economics, Erasmus University Rotterdam, Rotterdam, The Netherlands
5. Department of Quantitative Economics, Complutense University of Madrid, Madrid, Spain
6. Institute of Advanced Sciences, Yokohama National University, Yokohama, Japan
7. School of Business and Law, Edith Cowan University, Perth, Australia