Text and Data Mining valid from 2019-03-12
Received: 14 January 2019
Accepted: 1 March 2019
First Online: 12 March 2019
Ethics approval and consent to participate
: The Cambodian National Ethics Committee and the U.S. Centers for Disease Control and Prevention and was approved the study, the latter as non-engagement in human subjects research. All subjects or their legal guardians gave written informed consent to participate.
: Consent to publish was in the patient information sheet / consent from. No addition consent was required.
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