The findings also could lead to ways to sort out who is at highest risk by finding if a man has one of the genetic risk factors, and for early diagnosis of the disease, the researchers said.

• 研究人员说通过寻找一个人是否具有遗传风险因子，这项研究结果可以衍生出为具有最高危险的人进行分类的方法，从而能够对这种疾病进行早期诊断。