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\title{Norovirus transmission dynamics: a modelling review\\Supplementary Material}
\author{K. A. M. Gaythorpe\thanks{University of Cambridge}, C. L. Trotter$^1$,   B. Lopman \thanks{Emory University},  M. Steele$^2$, A. J. K. Conlan$^1$}

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\section{Search methods}
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	\textcolor{red}{We conducted both a string search in google scholar, reference tracing and a search of the database PubMed.
	The PubMed search criterion are shown below and the results were organised as shown in figure \ref{fig:flowchartPubMed}.}
	\begin{verbatim}
	("norovirus"[MeSH Terms] OR "norovirus"[All Fields]) OR Norwalk}[All Fields] AND ("models,
    theoretical"[MeSH Terms] OR ("models"[All Fields] AND "theoretical"[All Fields]) OR 
    "theoretical models"[All Fields] OR ("mathematical"[All Fields] AND "modelling"[All 
    Fields]) OR ("mathematical"[All Fields] AND "modeling"[All Fields]) OR
    "mathematical modelling"[All Fields]) OR (("transmission"[Subheading] OR 
    "transmission"[All Fields])  AND ("Dynamics"[Journal] OR "dynamics"[All Fields]) AND 
    {R0[All Fields]) OR ("basic reproduction number"[MeSH Terms] OR ("basic"[All Fields] 
    AND "reproduction"[All Fields] AND "number"[All Fields]) OR "basic reproduction   
    number"[All Fields] OR "basic reproductive number"[All Fields]) 
	\end{verbatim}
	
	\begin{figure}[h]
		\centering
		\includegraphics[scale=0.5]{Gaythorpe_searchflow_revised}
		\caption{Flowchart of literature search conducted in PubMed, additional results were found through Google Scholar and reference tracing.} \label{fig:flowchartPubMed}
	\end{figure}

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