Text and Data Mining valid from 2018-08-07
Received: 23 April 2018
Accepted: 19 July 2018
First Online: 7 August 2018
Ethics approval and consent to participate
: The collection of data in the rural village clusters has been going on for 28 years at the request of the Ministry of Health. Oral consent for surveillance of the women of fertile age and their children is sought from women at first registration. The ongoing data collection in its current form has been approved by the ethical committee in Guinea-Bissau (Comité Nacional de Ética na Saúde) and The National Committee on Health Research Ethics Denmark has given its consultative approval. No separate ethical permissions were sought for the specific analyses of the historical data presented in this paper.
: Not applicable.
: The authors declare that they have no competing interests.
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