The HIT Policy Committee is holding an initial informational public hearing on September 18, 2009, as input to further deliberations regarding recommendations for 2013 and 2015 meaningful use criteria. The Committee is focusing on four categories: 1) individual choice/control, data segmentation; 2) use, disclosure, secondary use, data stewardship; 3) aggregate data use, de-identification/re-identification, models for data storage; and 4) transparency, accountability, and audit.