About the Authors

Marko Sysi-Aho, Tuulikki Seppänen-Laakso, Matej Orešič
VTT Technical Research Centre of Finland, Espoo, Finland

Juha Koikkalainen, Jyrki Lötjönen
VTT Technical Research Centre of Finland, Tampere, Finland

Maija Kaartinen, Margareta Antila, Eeva Reissell, Raija Jurkko, Tiina Heliö
Helsinki University Central Hospital, Helsinki, Finland

Johanna Kuusisto, Keijo Peuhkurinen, Satu Kärkkäinen
Kuopio University Hospital, Kuopio, Finland

Kirsi Lauerma
Helsinki Medical Imaging Center, Helsinki University Central Hospital, Helsinki, Finland

Corresponding Author

matej.oresic@vtt.fi

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL TH MO. Performed the experiments: TSL KL. Analyzed the data: MSA JK JL MO. Contributed reagents/materials/analysis tools: MK JK KP SK MA KL ER RJ JL TH MO. Wrote the paper: MSA JK TH MO.