Okeke, N.
McFarland, W.
Raymond, H. F.
Funding for this research was provided by:
Centers for Disease Control and Prevention (U62/CCU923549, 1U62PS000961 and 5U1BPS003247)
Article History
First Online: 5 July 2016
Compliance with Ethical Standards
:
: All authors delare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional and/or Nnational Research Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.