M. Pierre (CEA Saclay, principal investigator)
M. Birkinshaw (Univ. Bristol)
A. Evrard (Univ. Michigan)
C. Horellou (Chalmers Univ. of Technology)
A. Iovino (INAF-OAB, Brera)
C. Lidman (AAO, Epping)
S. Maurogordato (Obs. Nice)
S. Paltani (Univ. Geneva)
M. Plionis (Univ. Thessaloniki)
V. Smolcic (Univ. Zagreb)
J. Surdej (Univ. Liege)
C. Vignali (Univ. Bologna)
J. Willis (Univ. Victoria)