The deadline for abstract submission was 11:59 p.m., U.S. Eastern Time on Monday, December 1. Abstract submissions that were not completed by the deadline have been withdrawn from consideration by the Program Committee. Please note that the confirmation of receipt was not a notice of acceptance of the abstract for presentation at the Annual Meeting. Notifications of abstract status were sent in early February. If you submitted an abstract and have not received notification, please contact abstract support at firstname.lastname@example.org.