1. Cantab Anti-Infectives Ltd., BioPark, Broadwater Road, Welwyn Garden City, Hertfordshire AL7 3AX, United Kingdom
2. Spero Therapeutics Inc., 675 Massachusetts Avenue, 14th Floor, Cambridge, Massachusetts 02139, United States
3. Eurofins Selcia Drug Discovery, U.K., Fyfield Business & Research Park, Fyfield Road, Ongar, Essex CM5 0GS, United Kingdom