1. Quantigen LLC , Fishers, Indiana, USA
2. Department of Global Health, University of Washington , Seattle, Washington, USA
3. Umkhuseli Innovation and Research Management , Pietermaritzburg, South Africa
4. Department of Internal Medicine, Harry Gwala Regional Hospital, University of KwaZulu-Natal , Pietermaritzburg, South Africa
5. Department of Medicine, University of Washington , Seattle, Washington, USA