The procedure of phase construction between rs11836367 and the reporter SNP rs2160989 was performed as described previously with modification (29 (link)). Genomic DNA from wild-type MCF10A was amplified using HiFi HotStart DNA Polymerase (KAPA Biosystems, Wilmington, MA, USA). PCR products were ligated into the PCR-linearized pUC19 vector using the ClonExpress II One Step Cloning Kit (Vazyme, Nanjing, China) according to the manufacturer’s instructions. The phase between rs11836367 and rs2160989 was manually determined on the basis of the genotype of a linked heterozygous SNP in the overlapping region between fragments. Details about the PCR primer sequences used are listed in table S7.