High-fidelity deep functional photoacoustic tomography enhanced by virtual point sources.

"Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"We thank Dr. Caroline Connor for editing the manuscript. This work was sponsored by 10.13039/100000002National Institutes of Health (R01 EB028143, R01 NS111039, RF1 NS115581, R01 HL166522, R21 EB027304, R21EB027981, R43 CA243822, R43 CA239830, R44 HL138185); National Science Foundation CAREER Award (2144788); Chan Zuckerberg Initiative Grant on Deep Tissue Imaging 2020-226178 by 10.13039/100000923Silicon Valley Community Foundation. The authors would like to thank Dr. Pengfei Song for the useful discussion and the engineering team at Sonovol for the technical support."