[1] Univ Oulu, Res Unit Hlth Sci & Technol, Oulu, Finland
[2] Aldo Moro Univ Bari, Interdisciplinary Dept Med, Bari, Italy
[3] Univ G dAnnunzio, Dept Innovat Technol Med & Dent, Pescara, Italy
[4] Northumbria Univ, Fac Hlth & Life Sci, Dept Nursing Midwifery & Hlth, Newcastle Upon Tyne, England
[5] Univ Bari, Aldo Moro, Italy
[6] Oulu Univ Hosp, Med Res Ctr Oulu, Oulu, Finland
[7] Univ Oulu, Oulu, Finland