1. Personalised Medicine Centre, School of Medicine, C-TRIC, Altnagelvin Hospital, Ulster University, Derry/Londonderry BT47 6SB, UK
2. Department of Biomedical and Clinical Sciences, Linköping University, SE-581 83 Linköping, Sweden
3. School of Psychology, Ulster University, Coleraine BT52 1SA, UK
4. Department of Nursing and Health Care, Atlantic Technological University (ATU), F92 FC93 Letterkenny, Ireland
5. Western Health and Social Care Trust, Tyrone and Fermanagh Hospital, Omagh BT79 0NS, UK