[1] Butabika Natl Referral & Mental Hlth Hosp, Kampala, Uganda
[2] Kyambogo Univ, Kampala, Uganda
[3] Katholieke Univ Leuven, Univ Leuven, Univ Psychiat Ctr, Louvain, Belgium
[4] South London & Maudsley NHS Fdn Trust, Physiotherapy Dept, London, England
[5] Kings Coll London, Inst Psychiat Psychol & Neurosci, Hlth Serv & Populat Res Dept, De Crespigny Pk, London, England
[6] Univ Leuven, KU Leuven, Dept Rehabil Sci, Louvain, Belgium