Comments on 'Infantile hypophosphatasia without bone deformities presenting with severe pyridoxine-resistant seizures' in Molecular Genetics and Metabolism' 2014 Mar;111(3):404-7 by M.G. de Roo, N.G. Abeling, C.B. Majoie, A.M. Bosch, J.H. Koelman, J.M. Cobben, M. Duran, B.T. Poll-The