[1] Northumbria Univ, Fac Hlth & Life Sci, Dept Nursing Midwifery & Hlth, Newcastle Upon Tyne, England
[2] Univ Bari Aldo Moro, Dept Precis & Regenerat Med & Ionian Area, Sect Nursing, Bari, Italy
[3] Queens Nursing Inst, London, England
[4] Northumbria Univ, Fac Hlth & Life Sci, Dept Social Work Educ & Community Wellbeing, Newcastle Upon Tyne, England
[5] Aldo Moro Univ Bari, Interdisciplinary Dept Med, Sect Nursing, Bari, Italy
[6] Univ G dAnnunzio, Dept Innovat Technol Med & Dent, Pescara, Italy
[7] Univ Oulu, Res Unit Hlth Sci & Technol, Oulu, Finland
[8] Univ Oulu, Oulu Univ Hosp, Med Res Ctr Oulu, Oulu, Finland