1. Eli Lilly Kinsale Limited, Dunderrow, Kinsale, Co. Cork P17 NY71, Ireland
2. School of Chemical and Bioprocess Engineering, University College Dublin, Belfield, Dublin 4 D04 V1W8, Ireland
3. National Institute for Bioprocessing Research & Training, Fosters Avenue, Mount Merrion, Blackrock, Co. Dublin A94 X099, Ireland