@article {collaboration2008response,
	title = {Response to combination antiretroviral therapy: variation by age},
	journal = {Aids},
	volume = {22},
	number = {12},
	year = {2008},
	pages = {1463{\textendash}1473},
	publisher = {LWW},
	author = {Collaboration of Observational HIV Epidemiological Research Europe (COHERE) Study Group and others}
}
