AHRQ Symposium on Clinical and Comparative Effectiveness Research

From the invitation: "The Agency for Healthcare Research and Quality, through its Effective Health Care program, is sponsoring a second invitational symposium on clinical and comparative effectiveness research methods. This 2-day symposium will be held in the first week of June 2009 (dates to be confirmed) at the AHRQ Conference Center. The symposium is a direct followup to the 2006 AHRQ conference on Emerging Methods in Comparative Effectiveness and Safety; papers presented at that conference appeared in a 2007 Medical Care supplement ."
There is interesting work on propensity score methodology, inappropriate prescribing, and more reported in this supplement and it is helpful as an indicator of the areas of interest for this symposium. There does not, at first glance, seem to be much innovative methodology from a statistical viewpoint. I wonder...might there be an opportunity for the upcoming symposium to introduce boosted regression tree methods for either propensity score estimation or for using longitudinal data creatively for disease management programs?