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Chang HH, Reich BJ, Miranda ML.Chang HH, et al.J R Stat Soc Ser C Appl Stat. 2013 Mar 1;62(2):167-79. doi: 10.1111/j.1467-9876.2012.01056.x.J R Stat Soc Ser C Appl Stat. 2013.PMID: 24353351Free PMC article.