Wang Jiaping, Shen Haipeng, Zhu Hongtu
Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Statistics and Operations Research, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Technometrics. 2012 May 1;54(2):129-133. doi: 10.1080/00401706.2011.649820.