Peer-led recovery groups for people with psychosis in South Africa (PRIZE): results of a randomized controlled feasibility trial – CORRIGENDUM - Laura Asher; Bongwekazi Rapiya; Julie Repper; Tarylee Reddy; Bronwyn Myers; Gill Faris; Inge Petersen; Charlotte Hanlon; Carrie Brooke-Sumner (Epidemiology and Psychiatric Sciences)