Acknowledgements
We thank Byron C. Hann and the Preclinical Therapeutics Core at UCSF for help with designing, conducting, and discussing in vivo studies. We are grateful to the UCSF Center for Advanced Technology and the Gladstone Genomics Core for use of shared equipment.
Potential conflict of interest
Disclosure forms provided by the authors are available with the full text of this article online at https://doi.org/10.1080/10428194.2017.1372578.