About the Authors
Department of Medicine, Federal University of Bahia Salvador, Bahia, Brazil
Department of Medicine, University of California San Diego, La Jolla, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ZM ML SM CMCM RB. Performed the experiments: ZM ML. Analyzed the data: ZM ML SM CMCM SRM RB. Contributed reagents/materials/analysis tools: ZM RB. Wrote the paper: ZM SRM RB.