Important Dates All times Eastern Daylight Time (UTC−04:00) through October 31; Eastern Standard Time (UTC−05:00) after October 31. Categories Abstracts Career Awards Registration Travel Awards December 2019 – February 2020 Dec 2019 – Feb 2020 Collapse All Expand All Dec 17 Tue 2019 Abstract Submissions Close Tickets Dec 17 @ 12:00 PM Feb 3 Mon 2020 Abstract Acceptance Notifications Sent Tickets Feb 3 @ 12:00 PM December 2019 – February 2020 Dec 2019 – Feb 2020