P. Bickel, N. Boley, J. Brown, H. Huang, and N. Zhang. (2011)cite arxiv:1101.0947
Comment: Published in at http://dx.doi.org/10.1214/10-AOAS363 the Annals of
Applied Statistics (http://www.imstat.org/aoas/) by the Institute of
Mathematical Statistics (http://www.imstat.org).