1. Department of Business Management, the University of Johannesburg (UJ), Johannesburg, South Africa
2. School of Tourism and Hospitality, University of Johannesburg (UJ), Johannesburg, South Africa
3. Department of Marketing, Marondera University of Agricultural Sciences and Technology (MUAST), Zimbabwe, and Institute of Future Knowledge, University of Johannesburg (UJ), Marondera, South Africa
4. Department of Business Management, University of the Free State (UFS), Bloemfontein, South Africa