1. Forschungszentrum Dresden-Rossendorf, Institute of Safety Research, P.O.B. 510119 D-01314 Dresden, Germany
2. Russian Research Center Kurchatov Institute, Institute of Nuclear Reactors, Kurchatov Sq. 1 123182 Moscow, Russia
3. VTT Technical Research Centre of Finland, P.O.B. 1000, FIN-02044 VTT, Finland
4. Nuclear Research Institute Rez plc., 250 68 Rez, Czech Republic
5. KFKI Atomic Energy Research Institute, P.O.B. 49, H-1525 Budapest 114, Hungary
6. Fortum Nuclear Services, Ltd., P.O.B. 100, FIN-00048 FORTUM, Finland