[1] Univ Addis Ababa, Coll Hlth Sci, Sch Med, Dept Psychiat, Addis Ababa, Ethiopia
[2] Kings Coll London, Inst Psychiat Psychol & Neurosci, Hlth Serv & Populat Res Dept, Ctr Global Mental Hlth, London, England
[3] Univ Addis Ababa, Aklilu Lemma Inst Pathobiol, Addis Ababa, Ethiopia
[4] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychol Med, Ctr Affect Disorders, London, England