*The Journal of Rheumatology* 2013; 40(7):1048-1053
*Statistics in Medicine* 2013; 32(26):4639-4650
*Nature Genetics* 2013; 45(7):822-824
*Nature Genetics* 2013; 45(6):686-689
*British Journal of Cancer* 2013; 108(6):1340-1347
*Statistics in Medicine* 2013; 32(20):3424-3435
*Biostatistics* 2013; 14(4):626-638
*BMC Public Health* 2013; 13:233
*British Journal of Psychiatry* 2013; 202(4):294-300