Pengpid, Supa
Peltzer, Karl
Article History
Received: 17 October 2020
Accepted: 1 February 2021
First Online: 11 February 2021
Change Date: 18 July 2022
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12903-022-02333-9
Ethics approval and consent to participate
: All methods were performed in accordance with the relevant guidelines and regulations. All methods were carried out in accordance with the Declaration of Helsinki. The study protocol was approved by the “national Ethical Committee at the Federal Ministry of Health, Sudan” [CitationRef removed, CitationRef removed]. Informed consent was obtained from all subjects or, if subjects are under 18, from a parent and/or legal guardian [CitationRef removed, CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.