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2????????????

3?????????????

4??????????

5???????

???2?10???????????????????????????? (???? ?????)????????22??10??????

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???7??,??????????????(NIH)???????????????????,????????????“??”??15%??????????2??10???NIH???????,?40?????

?,?????????????????NIH?????????????“??”?????????????????27%?????????28%?“???”???????????????

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?????????(Andrea Campbell)??????????,“????????????????????????????????????????????????????”?

??(Peter Neronha)?????,NIH??“??????????????????”???????????,“???”?(?????) ??:????????