About the Authors

Bengt Svensson

Bengt.svensson@med.lu.se

Affiliation Department of Health Sciences, Lund University, Lund, Sweden

Lars Hansson

Affiliation Department of Health Sciences, Lund University, Lund, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BS LH. Performed the experiments: BS. Analyzed the data: BS LH. Contributed reagents/materials/analysis tools: BS LH. Wrote the paper: BS LH.