Authors: Paul Owono Etoundi, Marie Elvire Nokam Taguemne, Gouag, Michèle Kamga, Armandine Beyene Akoa, Ze Minkande Jacqueline.
Authors: Ragone R, Lavermicocca T, Maranzano F, De Renzo F, Labellarte C, Lasorella ML, Milella L.
Authors: Mbombo W, Mbuyamba J, Mosolo A, Mbuyi F, Nkodila A, Isengingo C, Kambala P, Bazeboso JA, Mbala T, Kazadi V, Mukaba P, Mbala R, Ilunga JP, Mukuna P, Kashala R, Kabwe B, Kabango R, Nsiala J, Bula-Bula M, Barhayiga B, Makulo JR, Ngiyulu JR, Tshilolo L.
Authors: Bula-Bula M, N’sinabau R, Kabuni P, Nkoy B, Ndjoko S, Lenge N, Ngalala M, Ilunga JP.
Authors: Beth Baughman DuPree, Jason Wesley, Estelle Farrell, Paul Lewis.