Conditional and joint multiple-SNP analysis of GWAS summary statistics identifies additional variants influencing complex traits

Jian Yang, Teresa Ferreira, Andrew P. Morris, Sarah E. Medland, Pamela A.F. Madden, Andrew C. Heath, Nicholas G. Martin, Grant W. Montgomery, Michael N. Weedon, Ruth J. Loos, Timothy M. Frayling, Mark I. McCarthy, Joel N. Hirschhorn, Michael E. Goddard, Peter M. Visscher