Participants attended mobile clinics every 3 months for a follow-up period of 12 to 30 months, depending on enrollment date. The primary outcome was the incidence of infection with HIV.

受试者依据登记的时间在接下来的为期12-30个月的随访期内每三个月在流动诊所随访。

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Once home I called the school's Admissions Office and cancelled my enrollment, claiming I would re-enroll at a later date.

一到公寓，我就打电话给学校的招生办公室，称自己要晚些报名，所以要求先取消入学。

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We are exploring a strategy to extend C-TPAT enrollment to related parties outside of Mexico at a later date.

我们正在拟定对策在以后扩展到墨西哥以外的相关方。

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