deletions | additions       diff --git a/figures/flow_toy/caption.tex b/figures/flow_toy/caption.tex  index cf06381..28f77f6 100644  --- a/figures/flow_toy/caption.tex  +++ b/figures/flow_toy/caption.tex 
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\label{fig:flow_toy} Illustration of the experimental setupof  the toy example. example and the HIV data.  Including two untreated populations ($t_1, t_2$) and one post-treatment population ($t_{3D}$), observations are collected from each time point.