Alemayehu Midekisa, Belay Beyene, Abere Mihretie
Yalemwork Ewnetu, Wossenseged Lemma
Mekonnen Yohannes, Eline Boelee
Abebe Alemu, Dagnachew Muluye, Mikrie Mihret
Kassahun Negash, Ayantu Kebede, A. Medhin
Ingrid Peterson, Luisa N. Borrell, Wafaa El-Sadr
Eugenia Lo, Delenasaw Yewhalaw, Daibin Zhong
Alemayehu Hailu, Bernt Lindtjørn, Wakgari Deressa
Tarekegn A. Abeku, Sake J. de Vlas, G. J. J. M. Borsboom et al.
Hailay Desta Teklehaimanot, Marc Lipsitch, Awash Teklehaimanot et al.
Admasu Tassew, Richard Hopkins, Wakgari Deressa
Jimee Hwang, Patricia M. Graves, Daddi Jima
