1. Department of Statistics and Actuarial Science, University of Waterloo, Ontario, Canada
2. Center for Applied Statistics, School of Statistics, Renmin University of China
3. Department of Statistics, Iowa State University, Ames, Ia., U.S.A.
4. Sage Bionetworks, U.S.A.
5. Department of Computer Science, University of North Carolina, Chapel Hill, N.C., U.S.A.
6. Department of Computer Science, University of Kentucky, Lexington, Ky., U.S.A.
7. Department of Statistics and Operations Research, University of North Carolina, Chapel Hill, N.C., U.S.A.