Important Dates June 15, 2013 (extended to July 8, 2013) – online registration and submission of an extended abstract (2 pages) June 30, 2013 (extended to July 15, 2013) – notification of acceptance   August 31, 2013 (extended to September 20, 2013) – submission of final paper and early payment of registration fee.   October 17-18, 2013 – Sielmen 2013 Conference.