Closure to discussion of "Assessing concrete carbonation resistance through air permeability measurements" [Construction and Building materials 82 (2015)] by Chao Jiang and Xianglim Gu. (15th January 2016) - Neves, R.; Sena da Fonseca, B.; Branco, F.; de Brito, J.; Castela, A.; Montemor, M.F.