1. Department of Mathematics and Statistics; McMaster University; 1280 Main Street West Hamilton Ontario L8S 4K1 Canada
2. Department of Computer Science and Software Engineering; Concordia University; 1455 de Maisonneuve Boulevard West Montreal Quebec H3G 1M8 Canada
3. Department of Finance, John Molson School of Business; Concordia University; 1455 de Maisonneuve Boulevard West Montreal Quebec H3G 1M8 Canada