CYP1B1 and prostate cancer: Influence of lifestyle choices on frequencies of major haplotypes of rs2551188‐rs2567206‐rs2567207‐rs1017536 (G‐C‐T‐G) and rs163090‐rs162330‐rs162331 (A‐G‐A and T‐T‐G) of CYP1B1 between healthy controls and prostate cancer patients.