1. Japan Atomic Energy Agency, CLADS, Waste Management Division, Storage Equipment Soundness Evaluation Group. 2-4 Shirakata, Tokai, Ibaraki, 319-1195, Japan
2. Commissariat à l’Energie Atomique et aux énergies alternatives, DEN, DE2D, SEAD, LCBC, F-30207, Bagnols Sur Cèze, France