About the Authors

Tuija J. Huusko

tuija.huusko@oulu.fi

Affiliations Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland, Biocenter Oulu, University of Oulu, Oulu, Finland

Merja Santaniemi

Affiliation Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland

Sakari Kakko

Affiliations Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland, Biocenter Oulu, University of Oulu, Oulu, Finland

Panu Taskinen

Affiliation Institute of Clinical Medicine, Department of Surgery, Oulu University Hospital and University of Oulu, Oulu, Finland

Olavi Ukkola

Affiliation Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland

Y. Antero Kesäniemi

Affiliation Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland

Markku J. Savolainen

Affiliations Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland, Biocenter Oulu, University of Oulu, Oulu, Finland

Tuire Salonurmi

Affiliations Institute of Clinical Medicine, Department of Internal Medicine, Clinical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland, Biocenter Oulu, University of Oulu, Oulu, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TJH MS SK YAK TS. Performed the experiments: TJH MS TS. Analyzed the data: TJH MS SK TS. Contributed reagents/materials/analysis tools: PT OU YAK MJS. Wrote the paper: TJH MS TS.