[1] Ulster Univ, Altnagelvin Hosp, Personalised Med Ctr, Sch Med,C TRIC, Derry Londonderry BT47 6SB, North Ireland
[2] Linkoping Univ, Dept Biomed & Clin Sci, SE-58183 Linkoping, Sweden
[3] Ulster Univ, Sch Psychol, Coleraine BT52 1SA, North Ireland
[4] Atlantic Technol Univ ATU, Dept Nursing & Hlth Care, Letterkenny F92 FC93, Ireland
[5] Tyrone & Fermanagh Hosp, Western Hlth & Social Care Trust, Omagh BT79 0NS, North Ireland