Beurskens, M. N. A., Schweinzer, J., Angioni, C., Bourdelle, C., Challis, C., Frassinetti, L., Giroud, C., Hobirk, J., Joffrin, E., Kallenbach, A., Maddison, G., Neu, R., Osborne, T., Ryter, F., Saarelma, S., Schneider, P., Snyder, P., Wolfrum, E., AUG Team, & JET EFDA Contributors (2013). The effect of a metal wall on confinement in JET and ASDEX-Upgrade. Talk presented at 40th EPS Conference on Plasma Physics. Espoo. 2013-07-01 - 2013-07-05.