1. Department of Consumer and Food Sciences, University of Pretoria, Pretoria 0002, South Africa
2. PepsiCo Global Research & Development, Life Sciences, PepsiCo, Purchase, NY 10577, USA
3. Beyond Insights, Durban North 4051, South Africa
4. PepsiCo South Africa, Consumer Insights, PepsiCo, Cape Town 7530, South Africa
5. PepsiCo Global Research & Development, Life Sciences, PepsiCo, Cape Town 7530, South Africa