Affiliations

• ¹ Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland; Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland; Medical Research Center, University of Oulu and Oulu University Hospital, Oulu, Finland. Electronic address: miika.nieminen@oulu.fi.
• ² Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland; Medical Research Center, University of Oulu and Oulu University Hospital, Oulu, Finland.
• ³ Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.