1. Department of Natural Sciences and Biomedicine School of Health and Welfare Jönköping University Jönköping Sweden
2. Department of Clinical Physiology and Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
3. Center for Medical Image Science and Visualization Linköping University Linköping Sweden
4. Department of Clinical Physiology County Hospital Ryhov Jönköping Sweden