[1] Zurich Univ Appl Sci, Sch Hlth Sci, Inst Nursing, Winterthur, Switzerland
[2] Univ Hosp Psychiat Zurich, Directorate Nursing Therapies & Social Work, Zurich, Switzerland
[3] Private Univ Hlth Sci Med Informat & Technol UMIT, Dept Nursing Sci & Gerontol, Hall In Tirol, Austria
[4] Te Herenga Waka Victoria Univ Wellington, Fac Hlth, Sch Nursing Midwifery & Hlth Practice, Wellington, New Zealand