1. Siegel RL, Miller KD, Jemal A. Cancer statistics (2018) CA Cancer J Clin 68(1):7–30
2. Sutcliffe S, Colditz GA (2013) Prostate cancer: is it time to expand the research focus to early-life exposures? Nat Rev Cancer 13(3):208–518
3. Rotkin ID (1977) Studies in the epidemiology of prostatic cancer: expanded sampling. Cancer Treat Rep 61(2):173–180
4. Ross R, Bernstein L, Judd H, Hanisch R, Pike M, Henderson B (1986) Serum testosterone levels in healthy young black and white men. J Natl Cancer Inst 76(1):45–48
5. Andersson SO, Baron J, Wolk A, Lindgren C, Bergstrom R, Adami HO (1995) Early life risk factors for prostate cancer: a population-based case-control study in Sweden. Cancer Epidemiol Biomark Prev 4(3):187–192