[1] Hosp Santa Maria, Lisbon, Portugal
[2] Multiperfil Hlth Sch, Luanda, Angola
[3] European Acad Nursing Sci, Exeter, Devon, England
[4] Univ Catolica Portuguesa, Unidade Invest Ciencias Saude Enfermagem, Lisbon, Portugal
[5] Univ Catolica Portuguesa, Inst Ciencias Saude, Lisbon, Portugal