[1] Univ Aberdeen, Aberdeen Ctr Hlth Data Sci, Aberdeen, Scotland
[2] Queens Univ Belfast, Sch Nursing & Midwifery, Belfast, Antrim, North Ireland
[3] Univ 11 Novembro, Cabinda, Angola
[4] Inst Super Politecn Cuanza Sul, Dept Agr, Sumbe, Angola
[5] Queens Univ Belfast, Ctr Publ Hlth, Belfast, Antrim, North Ireland
[6] Int Agcy Res Canc, Infect & Canc Biol Grp, Lyon, France