Seligson, D. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Leite, J. R. R. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Sanchez, A. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Feld, M. S. (MIT Cambridge, Mass., United States)
Ducloy, M. (Paris XIII, Universite Villetaneuse, Seine-Saint-Denis, France)