作者：Berns Kenneth I; Casadevall Arturo; Cohen Murray L; Ehrlich Susan A; Enquist Lynn W; Fitch J Patrick; Franz David R; Fraser Liggett Claire M; Grant Christine M; Imperiale Michael J; Kanabrocki Joseph; Keim Paul S^*; Lemon Stanley M; Levy Stuart B; Lumpkin John R; Miller Jeffery F; Murch Randall; Nance Mark E; Osterholm Michael T; Relman David A; Roth James A; Vidaver Anne K