Dei, Vincent http://orcid.org/0000-0001-5814-1744
Sebastian, Miguel San
Article History
Received: 12 February 2018
Accepted: 31 May 2018
First Online: 20 June 2018
Ethics approval and consent to participate
: This study relied on publicly available secondary data with no direct contacts made with participants of the study. To ensure data were used ethically, all requirements for data access were strictly adhered to.Ethical approval for the actual study was obtained by the WHO Study on Global Ageing and Adult Health (SAGE) Wave 1 team from the WHO Ethical Review Board and the various country research review committees. Informed consents were obtained from the participants.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.