title: Reply to Comment on 'Imaging of prompt gamma rays emitted during delivery of clinical proton beams with a Compton camera: feasibility studies for range verification'.
abstract: A reply is provided to the points raised in the comment by Dr Sitek (2016 Phys. Med. Biol. 61 8941) on Polf et al (2015 Phys. Med. Biol. 60 7085).
authors.affiliation: Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
authors.forename: Jerimy C
authors.initials: JC
authors.lastname: Polf
authors.forename: Stephen
authors.initials: S
authors.lastname: Avery
authors.forename: Dennis S
authors.initials: DS
authors.lastname: Mackin
authors.forename: Sam
authors.initials: S
authors.lastname: Beddar
mesh_terms: D005240:Feasibility Studies; D005720:Gamma Rays; D006801:Humans; D061766:Proton Therapy / Q000379:methods*; D011877:Radionuclide Imaging / Q000295:instrumentation*