title: Response to the letter to the editor from Ansje S. Fortuin and Jelle O. Barentsz--Harriet C. Thoeny for the authors.
authors: Harriet C
authors: HC
authors: Thoeny
authors: Johannes M
authors: JM
authors: Froehlich
authors: Lauren J
authors: LJ
authors: Bains
authors: Urs E
authors: UE
authors: Studer
mesh_terms: D003287:Contrast Media; D003911:Dextrans; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D058185:Magnetite Nanoparticles; D008297:Male; D011471:Prostatic Neoplasms / Q000473:pathology*; D001749:Urinary Bladder Neoplasms / Q000473:pathology*
chemical_list: D003287:Contrast Media; D003911:Dextrans; D058185:Magnetite Nanoparticles