@article {hamilton2016critical, title = {Critical review of mathematical approaches for quantitative microbial risk assessment (QMRA) of Legionella in engineered water systems: Research gaps and a new framework}, journal = {Environmental Science: Water Research \& Technology}, volume = {2}, number = {4}, year = {2016}, pages = {599{\textendash}613}, publisher = {Royal Society of Chemistry}, author = {Hamilton, KA and Haas, CN} }