Blume, Joern http://orcid.org/0000-0002-1193-6168
Ruano, Ana Lorena
Wang, Siri
Jackson, Debra J.
Tylleskär, Thorkild
Strand, Liv Inger
Funding for this research was provided by:
Universitetet i Bergen (2016/3466-EVR)
Article History
Received: 16 May 2017
Accepted: 22 February 2018
First Online: 22 March 2018
Ethics approval and consent to participate
: The study was approved by the University of Western Cape’s Faculty Research Committee (Ethics Reference Number HS/16/02/01), Bellville, Cape Town and City Health Department, City of Cape Town (ID No 10562), South Africa. Participants gave written consent for their participation.
: Not applicable
: The authors declare that they have no competing interests.
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