1. Department of Nursing, The College of Human and Health Sciences, Swansea University, Singleton Park, Swansea, Wales SA2 8PP, UK
2. Fieldbay Ltd., Chestnut House, Tawe Business Village, Swansea Enterprise Park, Swansea SA7 9LA, UK
3. The College of Medicine, Swansea University, Singleton Park, Swansea SA2 8PP, UK