1. Berkeley Institute for Data Science, University of California at Berkeley, Berkeley, CA, USA
2. School of Public Health, University of the Witwatersrand at Johannesburg, Johannesburg, South Africa
3. Department of Computer Science, Brock University, St. Catharines, ON, Canada
4. Department of Information Technology, Federal University of Technology, Owerri (FUTO), Owerri, Nigeria
5. Department of Computer Science, Summit University at Offa, Offa, Nigeria
6. School of Computer Science, National University of Ireland, Galway, Ireland
7. Department of Mathematics, Wake Forest University, Winston-Salem, NC, USA
8. College of Business and Economics, University of Johannesburg, Johannesburg, South Africa
9. School of Public Health, University of California at Berkeley, Berkeley, CA, USA
10. Department of Computer Science, Vaal University of Technology, Vanderbijlpark, South Africa
11. Department of Geology, University of Pretoria, Pretoria, South Africa
12. School of Computing and Mathematical Sciences, University of Leicester, Leicester, U.K.