Text and Data Mining valid from 2018-09-03
Received: 26 March 2018
Accepted: 15 August 2018
First Online: 3 September 2018
Ethics approval and consent to participate
: Approval was obtained from the Mbeya Medical Research and Ethics Committee and the Medical Research Coordinating Committee (MRCC) of the National Institute for Medical Research (NIMR) in Tanzania, and the Institutional Review Board, Baylor College of Medicine in Houston, Texas, USA (H-32491). Waiver of patient informed consent was approved by all committees as this retrospective study analyzed only de-identified data.
: Not applicable.
: The authors declare that they have no competing interests.
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