title: Letter to the Editor.
authors.affiliation: Gothenburg, Sweden.
authors.forename: Petty
authors.initials: P
authors.lastname: Cartemo
authors.affiliation: Gothenburg, Sweden.
authors.forename: Jenny
authors.initials: J
authors.lastname: Nilsson
authors.affiliation: Gothenburg, Sweden.
authors.forename: Anders
authors.initials: A
authors.lastname: Nordlund
authors.affiliation: Gothenburg, Sweden.
authors.forename: Mats
authors.initials: M
authors.lastname: Isaksson
mesh_terms: D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D008279:Magnetic Resonance Imaging; D009010:Monte Carlo Method; D019047:Phantoms, Imaging; D011829:Radiation Dosage; D012015:Reference Standards; D014057:Tomography, X-Ray Computed; D014915:Whole-Body Counting / Q000379:methods*