title: Author response to John Kasianowicz and Sergey Bezrukov.
authors.affiliation: Department of Biomolecular Engineering, University of California, Santa Cruz, California, USA.
authors.forename: David
authors.initials: D
authors.lastname: Deamer
authors.affiliation: Department of Biomolecular Engineering, University of California, Santa Cruz, California, USA.
authors.forename: Mark
authors.initials: M
authors.lastname: Akeson
authors.affiliation: Department of Molecular &Cellular Biology, Harvard University, Cambridge, Massachusetts, USA.
authors.forename: Daniel
authors.initials: D
authors.lastname: Branton