title: Comment on: Month of birth and risk of multiple sclerosis: confounding and adjustments.
authors.affiliation: Department of Clinical Neurosciences, University of Cambridge Box 165, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0QQ, United Kingdom.
authors.forename: Barnaby
authors.initials: B
authors.lastname: Fiddes
authors.affiliation: Medical Research Council Biostatistics Unit Cambridge, CB2 0SR, United Kingdom.
authors.forename: James
authors.initials: J
authors.lastname: Wason
authors.affiliation: Department of Clinical Neurosciences, University of Cambridge Box 165, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0QQ, United Kingdom.
authors.forename: Stephen
authors.initials: S
authors.lastname: Sawcer