Disclosure: Prof Simon Travis has been an advisor to, in receipt of educational or research grants from, or an invited lecturer for AbbVie, Amgen, Asahi, Biogen, Boehringer Ingelheim, BMS, Cosmo, Elan, Ferring, FPRT Bio, Genentech/Roche, Genzyme, Glenmark, GW Pharmaceuticals, Lilly, Merck, Novartis, Novo Nordisk, Ocera, Pfizer, Receptos, Shire, Santarus, SigmoidPharma, Synthon, Takeda, Tillotts...