title: Editorial commentary: immunodeficiency at start of antiretroviral therapy: the persistent problem of late presentation to care.
authors.affiliation: Department of HIV/AIDS, World Health Organization, Geneva, Switzerland Centre for Infectious Disease Epidemiology and Research, University of Cape Town, South Africa.
authors.forename: Nathan
authors.initials: N
authors.lastname: Ford
authors.affiliation: Global Evaluative Sciences, Vancouver, British Columbia, Canada School of Public Health, University of Rwanda, Kigali.
authors.forename: Edward J
authors.initials: EJ
authors.lastname: Mills
authors.affiliation: Centre for Infectious Disease Epidemiology and Research, University of Cape Town, South Africa IeDEA Data Centers, Institute of Social and Preventive Medicine, University of Bern, Switzerland.
authors.forename: Matthias
authors.initials: M
authors.lastname: Egger
mesh_terms: D018791:CD4 Lymphocyte Count; D005260:Female; D015658:HIV Infections / Q000453:epidemiology* / Q000276:immunology*; D006801:Humans; D008297:Male
keywords: CD4; antiretroviral therapy; ecological bias; immunodeficiency; late presentation