Hlongwa, Phumzile http://orcid.org/0000-0002-8052-9275
Rispel, Laetitia C. http://orcid.org/0000-0001-7806-6331
Funding for this research was provided by:
South African Society of Orthodontists Gerald Gevron Fund
South African Dental Association DDF
Wits Faculty of Health Sciences Research Fund
Article History
Received: 8 June 2020
Accepted: 18 February 2021
First Online: 27 February 2021
Ethics approval and consent to participate
: The Human Research Ethics Committee (HREC) (Medical) of the University of the Witwatersrand in Johannesburg provided ethical approval to conduct this research (#M150536). Permission was also obtained from the relevant health-care authorities. We adhered to standard ethical procedures, which included a detailed study information sheet, voluntary participation, informed consent, anonymity of responses, and confidentiality<b>.</b>
: The authors give consent for publication of the manuscript. We declare that the article is original, has not already been published in a journal, and is not currently under consideration by another journal. We further agree to the terms of the BioMed Central Copyright and License Agreement, where applicable, including Open Data policy.
: The authors declare no competing interest.