作者单位:
Department of Biostatistics, Johns Hopkins University, Baltimore, MD 21205, United States
[1]
School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA 15219, United States
[2]
Department of Epidemiology, Johns Hopkins University, Baltimore, MD 21205, United States
[3]
Faculty of Statistics, TU Dortmund University, 44221 Dortmund, Germany, Department of Biostatistics
[4]
发布时间
2013-11-20