CHAO | Study duration
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Study duration


The period of study is 2 years (24months).


After an estimated 6 months for seeking approvals from the ethical and administrative bodies, 6 months will be for health education, data collection for the cross sectional study and baseline data for the cohort study; additional 6 months for follow up of patients in the cohort study.


The final 6 months are for analysis of data and dissemination of results.