Erratum: Refraction index of shock compressed water in the megabar pressure rangeD. Batani, K. Jakubowska, A. Benuzzi-Mounaix, C. Cavazzoni, C. Danson, T. Hall, M. Kimpel, D. Neely, J. Pasley, M. Rabec Le Gloahec and B. TelaroEPL, 112 4 (2015) 49901DOI: https://doi.org/10.1209/0295-5075/112/49901