Disclosure statement
The authors declare they have no conflict of interest.
ORCID
Juman Simaan http://orcid.org/0000-0001-6741-0686
Shoba Nayar http://orcid.org/0000-0002-9777-5915
Notes
1 For more information about Grandmothers Against Poverty and AIDS (GAPA), go to http://www.gapa.org.za