Article History
Received: 30 April 2019
Accepted: 3 May 2019
First Online: 11 May 2019
Compliance with ethical standards
:
: The authors report no conflict of interest.
: The HELISUR study was conducted according to the principles of the Declaration of Helsinki (59th WMA General Assembly, Seoul, October 2008) and in accordance with the Medical Research Involving Human Subjects Act. Ethical clearance was obtained from the Ethics Committee of the Ministry of Health in Suriname in 2012 (Approval nr. VG021-2012) [CitationRef removed].
: All participants gave written informed consent prior to their inclusion in the study.