1. VA Outcomes Group, White River Junction, Vermont
2. VA Outcomes Group, White River Junction, Vermont, the Center for the Evaluative Clinical Sciences, Dartmouth Medical School, Hanover, New Hampshire, Norris Cotton Cancer Center, Lebanon, New Hampshire
3. Carnegie Mellon University, Pittsburgh, Pennsylvania, Batelle Pacific Northwest National Laboratory, Richland, Washington
4. VA Outcomes Group, White River Junction, Vermont, the Center for the Evaluative Clinical Sciences, Dartmouth Medical School, Hanover, New Hampshire
5. Carnegie Mellon University, Pittsburgh, Pennsylvania