title: Partonic calculation of the two-photon exchange contribution to elastic electron-proton scattering at large momentum transfer.
authors.affiliation: Department of Physics, National Taiwan University, Taipei 10617, Taiwan.
authors.forename: Y-C
authors.initials: YC
authors.lastname: Chen
authors.forename: A
authors.initials: A
authors.lastname: Afanasev
authors.forename: S J
authors.initials: SJ
authors.lastname: Brodsky
authors.forename: C E
authors.initials: CE
authors.lastname: Carlson
authors.forename: M
authors.initials: M
authors.lastname: Vanderhaeghen