Corresponding Author

Fei Gao

Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA

Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA

Correspondence Fei Gao, Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N. M2-C200, Seattle, WA 98109, USA.

Email: fgao@fredhutch.org