00800nas a2200301   4500000000100000000000100001008004100002100001500043700001300058700001500071700001500086700001400101700001400115700001200129700001500141700001500156700001200171700001300183700001400196700001200210700001700222700001600239700001200255700001600267700001100283700001200294245019200306       2018                            d1 aGhantous A1 aHerceg Z1 aTikellis G1 aLemeshow S1 aPaltiel O1 aGolding J1 aDwyer T1 aPonsonby A1 aPhillips G1 aLinet M1 aMagnus P1 aHåberg S1 aOlsen S1 aGranström C1 aKlebanoff M1 aHirst J1 aBorkhardt A1 aWard M1 aHolst S00aThe association between birth order and childhood leukemia may be modified by paternal age and birth weight. Pooled results from the International Childhood Cancer Cohort Consortium (I4C)