1. Neurovascular Research Laboratory, Faculty of Life Sciences and Education University of South Wales Pontypridd UK
2. Department of Anaesthetics University Hospital of Wales Cardiff UK
3. Department of Surgery University Hospital of Wales Cardiff UK
4. Department of Biomedical Sciences, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
5. Department of Clinical Physiology and Nuclear Medicine University Hospital Copenhagen—Rigshospitalet Copenhagen Denmark
6. Centre for Physical Activity Research University Hospital Copenhagen—Rigshospitalet Copenhagen Denmark
7. Departments of Kinesiology, Anatomy and Physiology Kansas State University Manhattan Kansas USA