title: Letter to the Editor.
authors.affiliation: a Population, Policy and Practice Programme, UCL Institute of Child Health , London WC1N 1EH , UK.
authors.forename: T J
authors.initials: TJ
authors.lastname: Cole
authors.affiliation: a Population, Policy and Practice Programme, UCL Institute of Child Health , London WC1N 1EH , UK.
authors.forename: M
authors.initials: M
authors.lastname: Cortina Borja
mesh_terms: D000886:Anthropometry / Q000379:methods*; D001827:Body Height / Q000502:physiology; D006801:Humans; D015203:Reproducibility of Results; D013223:Statistics as Topic