About the Authors

William Avilés
Oscar Ortega
Guillermina Kuan
Josefina Coloma
Eva Harris

To whom correspondence should be addressed. E-mail: eharris@berkeley.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

WA designed the study. WA, OO, and EH analyzed data. All authors contributed to writing the paper. OO enrolled patients. WA and OO collected data. GK and EH supervised and facilitated the study. JC was involved in the research and procurement of all the hardware and technologies described.