Skottfelt, J., Bramich, D. M., Figuera Jaimes, R., Jørgensen, U. G., Kains, N., W Harpsøe, K. B., Liebig, C., Penny, M. T., Alsubai, K. A., Andersen, J. M., Bozza, V., Browne, P., Calchi Novati, S., Damerdji, Y., Diehl, C., Dominik, M., Elyiv, A., Giannini, E., Hessman, F., Hinse, T. C., Hundertmark, M., Juncher, D., Kerins, E., Korhonen, H., Mancini, L., Martin, R., Rabus, M., Rahvar, S., Scarpetta, G., Southworth, J., Snodgrass, C., Street, R. A., Surdej, J., Tregloan-Reed, J., Vilela, C., Williams, A., "EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981 (Corrigendum)", Astronomy & Astrophysics, 2013