Mbuya, Wilbert, primary, Held, Kathrin, additional, Mcharo, Ruby D., additional, Haule, Antelmo, additional, Mhizde, Jacklina, additional, Mnkai, Jonathan, additional, Mahenge, Anifrid, additional, Mwakatima, Maria, additional, Sembo, Margareth, additional, Mwalongo, Wolfram, additional, Agrea, Peter, additional, Hoelscher, Michael, additional, Maboko, Leonard, additional, Saathoff, Elmar, additional, Geisenberger, Otto, additional, Rwegoshora, France, additional, Torres, Liset, additional, Koup, Richard A., additional, Kroidl, Arne, additional, Chachage, Mkunde, additional, and Geldmacher, Christof, additional