Eric PETRFriederike GIMALACErnst Günter HERRMANNRobert DELAFOSSELaurent KARAGUEUZIANJean-Pierre VIOTEliza DEVIETakako LIOT Nicole GUYHARTFrançois HUSSONPierre DELCOURTGuy  PEQUEUXAnne L.RAFFALLIClaire VALVERDEPaola PALMERO