1. Yanlei Ma, Harvard Pilgrim Health Care Institute, Boston, Massachusetts.
2. Kenton J. Johnston, Washington University in St. Louis, St. Louis, Missouri.
3. Hao Yu, Harvard University and Harvard Pilgrim Health Care Institute, Boston, Massachusetts.
4. J. Frank Wharam, Duke University, Durham, North Carolina.
5. Hefei Wen (), Harvard University and Harvard Pilgrim Health Care Institute.