Yu Menggang, Li Quefeng
Department of Biostatistics & Medical Informatics, University of Wisconsin, Madison, Wisconsin, U.S.A.
Department of Operations Research and Financial Engineering, Princeton University, Princeton, New Jersey, U.S.A.
Biometrics. 2014 Sep;70(3):716-9. doi: 10.1111/biom.12190. Epub 2014 Jun 2.