Wubneshe Dessalegn Biru, Manfred Zeller, Tim K. Loos et al.
Esa Ebrahim, Assen Mohamed
Woldemariam Atsbaha Alema
M.A. Keyzer, M.D. Merbis, G.B. Overbosch
Dagne Bekele Bahiru
Leta Hailu, W. Teka
Girma Tilahun, Amare Bantider, Desalegn Yayeh
Haile Tewele Berhe
Yared Bayissa, Tsegaye Tadesse, Getachew B. Demisse et al.
Mebratu Negera, Tekie Alemu, Fitsum Hagos
Samuel Saguye Tesfaye
Nebyat Seid, Pia Griesheimer, Anke Neumann
