Funding for this research was provided by:
Center for Asthma in the Workplace
South African Medical Research Council
South African National Research Foundation (FA2006040700028)
Fogarty International Center (2 D43 TW000812-06)
Allergy Society of South Africa
University of Cape Town Research Committee
Baking Industry in Cape Town
Article History
Received: 3 September 2019
Accepted: 24 December 2019
First Online: 11 January 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: The original study received ethical approval from the Research Ethics Committee of the University of Cape Town (reference no. 272/2002). Informed consent was obtained from all study subjects as per the protocol. The protocol can be accessed on-line (ExternalRef removed).