Baoli Ma

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BACKGROUND The Chinese government now encourages innovation, and more specifically, crowdsourcing. Crowdsourcing, the process of shifting individual tasks to a large group, might reimagine health communication, making it more people-centred. We aimed to compare the effectiveness of a crowdsourced versus social marketing condom promotion video to promote(More)
In this paper, we discuss the effect of parameter variations on the performance of fractional differential equations and give the concept of fractional sensitivity functions and fractional sensitivity equations. Meanwhile, by employing Laplace transform and the inverse Laplace transform, some main results on fractional differential equations are proposed.(More)
BACKGROUND Most men who have sex with men (MSM) in China do not publicly disclose their sexual orientation. This low rate of disclosure may affect sexual behaviours, testing for HIV or other sexually transmitted infections (STIs), and disease transmission. This study examined factors associated with overall sexual orientation disclosure and disclosure to a(More)
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