@article {cascade2003differences,
	title = {Differences in CD4 Cell Counts at Seroconversion and Decline Among 5739 HIV-1{\textendash}Infected Individuals with Well-Estimated Dates of Seroconversion},
	journal = {JAIDS Journal of Acquired Immune Deficiency Syndromes},
	volume = {34},
	number = {1},
	year = {2003},
	pages = {76{\textendash}83},
	publisher = {LWW},
	author = {Giota Touloumi, Nikos Pantazis, Abdel Babiker, A. Sarah Walker, Olga Katsarou, Angelos Hatzakis, Anastasia Karafoulidou, Kholoud Porter, and Janet Darbyshire, CASCADE Collaboration}
}
