title: Rejoinder: Understanding uncertainties in a change versus change study.
authors.affiliation: Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, London, United Kingdom. n.fitz-simon@imperial.ac.uk
authors.forename: Nicola
authors.initials: N
authors.lastname: Fitz-Simon
authors.forename: Tony
authors.initials: T
authors.lastname: Fletcher
authors.forename: Ben
authors.initials: B
authors.lastname: Armstrong
mesh_terms: D017738:Alkanesulfonic Acids / Q000097:blood*; D002210:Caprylates / Q000097:blood*; D005260:Female; D005466:Fluorocarbons / Q000097:blood*; D006801:Humans; D008055:Lipids / Q000097:blood*; D008297:Male
chemical_list: D017738:Alkanesulfonic Acids; D002210:Caprylates; D005466:Fluorocarbons; D008055:Lipids; C023036:perfluorooctanoic acid; C076994:perfluorooctane sulfonic acid