About the Authors
Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts, United States of America
Department of Pathology, Harvard Medical School, Boston, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: GKG ABO LB. Performed the experiments: GKG. Analyzed the data: GKG LB. Wrote the paper: GKG LB.