Corrigendum to "Elastic modulus of a chemically bonded phosphate ceramic formulated with low-grade magnesium oxide determined by nanoindentation" [Ceram. Int. 41 (2015) 12137–12146]. Issue 2 (1st February 2016) - Morales, M.; Formosa, J.; Xuriguera, E.; Niubó, M.; Segarra, M.; Chimenos, J.M.