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Bates as the first author only. There is no joint first authorship.","order":6,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Ethics approval for this study has been obtained from the MSI Ethics Review Board (20 September 2016, reference 007_16_May), the Regional Health Bureaus of Ethiopia, including SNNPR (17 July 2016, reference 30\u2013214\/22768), Bahirdar (25\/08\/16, reference 564\/1418\/8), Addis Ababa (01\/09\/16, reference 1097\/227), Oromiyaa (11 September 2016, ref 1\u20138\/2334) and Amhara (25 October 2016, reference Re\/Ts\/RTT\/01\/369\/09), and the Hanoi School of Public Health, Ministry of Health, in Vietnam (26 July 2016, reference 226\/2016\/YTCC-HD3). Verbal informed consent (via telephone) will be obtained from all participating clients for the trial (both for the initial and 4-month follow-ups), and for all participating providers (prior to cluster randomisation and implementation of the intervention), and written informed consent will be obtained from all participating providers and clients for the observational survey and in-depth interview components of the study.Marie Stopes Ethiopia and Marie Stopes Vietnam are leading the implementation of the study in Ethiopia and Vietnam (including training of providers, and data collection and entry). Acting as co-investigators, they are jointly responsible for the delivery of the protocol and results.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"ER is employed by MSI. JW was awarded funding for the study by MSI, and LAB and JPH are partly employed through this funding.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}},{"value":"Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Publisher\u2019s Note"}}],"article-number":"420"}}