There are 35 authors, some of whom are funded by the NIH. Here's the full funding acknowledgment statement:
Support for this work was provided by the Intramural Research Program and the Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH. Use of sector 22 (Southeast Region Collaborative Access team) at the Advanced Photon Source was supported by the US Department of Energy, Basic Energy Sciences, Office of Science under contract number W-31-109-Eng-38.
Support for this work was provided by the Intramural Research Program and the Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH. Use of sector 22 (Southeast Region Collaborative Access team) at the Advanced Photon Source was supported by the US Department of Energy, Basic Energy Sciences, Office of Science under contract number W-31-109-Eng-38.