[1] JET EFDA Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
[2] Ecole Polytech Fed Lausanne, CRPP, Assoc EURATOM Confederat Suisse, CH-1015 Lausanne, Switzerland
[3] UKAEA Euratom Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
[4] IPP EURATOM Assoc, Max Planck Inst Plasmaphys, D-85748 Garching, Germany
[5] Forschungszentrum Julich, Inst Energieforsch Plasmaphys, Assoc EURATOM FZJ, Julich, Germany
[6] ITER Org, CEA Cadarache Ctr, F-13108 St Paul Les Durance, France
[7] Assoc Euratom Belgian State, ERM KMS, LPP, B-1000 Brussels, Belgium
[8] Assoc Euratom CIEMAT Fus, Madrid, Spain