Hoosen, N., Davids, E., de Vries, P., & Shung-King, M. The Strengths and Difficulties Questionnaire (SDQ) in Africa: a scoping review of its application and validation. Child and Adolescent Psychiatry and Mental Health, 12, 6. https://doi.org/10.1186/s13034-017-0212-1 (Original work published 2018)