Contribution to Authorship
SBA conceptualized the study, analysed and interpreted data and prepared
the initial draft of the manuscript. SBA, TCA and NDW design the study.
GSA, JNW, AUH, IUJ, ISK and PLKA participated in planning field work,
data collection including clinical assessments and examinations. SMS and
FNS involved in planning the biochemical assessments, sample collection,
laboratory procedures and revising the relevant components in the
manuscript. All authors approved the final version of the manuscript.
All authors have agreed to be accountable for the authors own
contributions and to ensure questions related to the accuracy or
integrity of any part of the work are appropriately investigated,
resolved, and the resolution documented in the literature.