在外部评估阶段中，北京大学公共卫生学院作为第三方专家，主要通过问卷调查和档案查阅方式，帮助世界银行和捐助机构来评价项目完成预期目标的程度和项目整体实施情况。

• In external evaluation phase, acting as the third party experts, School of Public Health, Peking University helped WB and donor agencies to assess to what extent the project has achieved its expected outcomes, what extent was the project implementation in line with the original project design through questionnaire survey and documents review.