1. Collaborations Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, North Carolina 27606, United States
2. Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, Moscow 119071, Russia
3. Institut Pasteur, 28 rue du Dr Roux, Paris Cedex 15 75724, France