1. ITRE srl, Campodarsego PD 35011, Italy
2. ITER Organization, CS 90 046, F-13067 Saint Paul Lez Durance Cedex, France
3. RBH Optics, Burgess Hill RH15 8HL, United Kingdom
4. Synopsis, Inc., Mountain View, California 94043, USA
5. UK Atomic Energy Authority, Culham Science Center, Abingdon OX14 3DB, United Kingdom