1. UCB Pharma, 40789 Monheim, Germany.
2. UCB Pharma, Slough SL1 3WE, UK.
3. UCB Pharma, Braine, 1420 Braine-l’Alleud, Belgium.
4. PTx Solutions Ltd., London, UK.
5. Veramed Ltd., Twickenham TW1 3QS, UK.
6. Department of Immunology, University Hospital of Wales, Cardiff CF14 4XW, UK.