V.S. Udintsev, G. Vayakis, D. Bora, M.-F. Direz, A. Encheva, T. Giacomin, M.A. Henderson, K.M. Patel, M. Portalès, A. Prakash, J.A. Snipes, C.I. Walker, M.J. Walsh, C. Watts, M.E. Austin, H. Pandya, G. Hanson, E. Popova, P. Sanchez, D. Shelukhin, G.D. Conway and J.W. Oosterbeek
