Quality control and external quality assessment for the independent clinic-based evaluation of point-of-care testing to detect Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis in eight countries.

"Declarations Ethics approvalEthics approval for the core protocols of the CT, NG and TV arms of the ProSPeRo study was obtained by the WHO Ethics Review Committee (ERC). Locally adapted site-specific protocols were approved by the respective local ethics committees and by ERC. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Some authors are current or former staff members of the World Health Organization. The authors alone are responsible for the views expressed in this publication and they do not necessarily represent the views, decisions or policies of the World Health Organization. Competing interests The authors declare that they have no competing interests. Some authors are current or former staff members of the World Health Organization. The authors alone are responsible for the views expressed in this publication and they do not necessarily represent the views, decisions or policies of the World Health Organization."

"Funding This work was also funded by the UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), a cosponsored programme executed by the World Health Organization (WHO) and the Government of Canada. The funding body had no role in the conceptualization, design, data collection, analysis, decision to publish, or preparation of the manuscript."

"Trial registration Ethics approval to conduct the ProSPeRo study was granted by the WHO Ethics Review Committee."