1. Charles River Laboratories, Inc., Durham, North Carolina, USA
2. Janssen Pharmaceutical Companies of Johnson & Johnson, High Wycombe, UK
3. Tufts University, North Grafton, Massachusetts, USA
4. Experimental Pathology Laboratories, Inc., Durham, North Carolina, USA
5. Moderna, Inc., Cambridge, Massachusetts, USA
6. MD Anderson Cancer Center, Bastrop, Texas, USA
7. Charles River Laboratories, Inc., Skokie, Illinois, USA