It contrasted those with three studies in the United States,and studies in Finland and Denmark,which Paulsson said used more reliable sampling methods and were based on medical reports rather than interviews with patients.

• 研究所的分析将他们的调查与另外三位分别来自美国、芬兰和丹麦的科学家所作的调查作了对比。认为这三位的调查进行了更可信的取样，并且是以医学报告为依据，而不仅仅是简单地采访一些病患者。