1. Neurovascular Research Laboratory; Faculty of Life Sciences and Education; University of South Wales; Wales United Kingdom
2. Department of Anaesthetics and Intensive Care Medicine; Cardiff University; Wales United Kingdom
3. Department of HPB Surgery; Digestive Disease Institute; Cleveland Clinic Foundation; Cleveland Ohio
4. Department of Surgery; Royal Glamorgan Hospital; Wales United Kingdom
5. Faculty of Medicine; Reichwald Health Sciences Centre; University of British Columbia-Okanagan; Kelowna British Columbia Canada