title: An et al. Reply.
authors.affiliation: Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, USA.
authors.forename: Qi
authors.initials: Q
authors.lastname: An
authors.affiliation: Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland 21210, USA.
authors.forename: K Madhav
authors.initials: KM
authors.lastname: Reddy
authors.affiliation: Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland 21210, USA.
authors.forename: Kelvin Y
authors.initials: KY
authors.lastname: Xie
authors.affiliation: Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland 21210, USA.
authors.forename: Kevin J
authors.initials: KJ
authors.lastname: Hemker
authors.affiliation: Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, USA.
authors.forename: William A
authors.initials: WA
authors.lastname: Goddard