About the Authors
- Toomas Timpka, Marianne Angbratt
- Section of Social Medicine and Public Health, Department of Health and Society, Linköping University, Linköping, Sweden
- Toomas Timpka, Marianne Angbratt, Lars Valter
- Centre for Public Health, Östergötland County Council, Linköping, Sweden
- Per Bolme, Göran Hermansson, Anders Häger
- Department of Paediatrics, Linköping University Hospital, Linköping, Sweden
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TT MA PB GH AH LV. Performed the experiments: TT. Analyzed the data: TT LV. Contributed reagents/materials/analysis tools: TT MA PB GH. Wrote the paper: TT PB AH LV. Other: All authors approved the version to be published. TT is the guarantor.