Authors:
Robert Adamu Shey, Stephen Mbigha Ghogomu, Ferdinand Ngale Njume, Lea Olive Tchouate Gainkam, Philippe Poelvoorde, Leon Mutesa, Annie Robert, Perrine Humblet, Jean-Pierre Munyampundu, Joseph Kamgno, Christophe Lelubre, Luc Vanhamme, Jacob Souopgui