But some scientists and consumer advocates have criticized the National Cancer Institute study as having weak methodology. To get information on people who consume aspartame, the study culled from broad-based food consumption surveys that were mailed out to the study participants. The 16-page surveys, which asked people to remember what they ate and drank for one year, were mailed out only once over several months, beginning in 1995. 신문기사 해석하다가 이부분에서 막혔슴돠.... 첫번재 문장은 그러나 어떤 과학자들과 소비자는 근거가 빈약한 방법론과 같은 국립암 연구소의 연구는 비판된다고 주장하였다...로 대충 해석했는데 맞는지 모르겠지만....다음이 쫌.....ㅜㅜ 해석해주시면 진짜 감솨...