[1] Univ Stavanger, Stavanger, Norway
[2] Haydom Sch Nursing, Dar Es Salaam, Tanzania
[3] Malagasy Lutheran Inst Nursing Educ, Antsirabe, Madagascar
[4] Minist Community Dev Gender Elderly & Children, Dar Es Salaam, Tanzania
[5] Stavanger Univ Hosp, Stavanger, Norway