1. Department of Chemical and Biological Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, U.K.
2. AstraZeneca, BioPharmaceutical Development, Cell Culture and Fermentation Sciences, Aaron Klugg Building, Granta
Park, Cambridge CB21 6GH, U.K.
3. SynGenSys Limited, Freeths LLP, Norfolk Street, Sheffield S1 2JE, U.K.