1 Department of Pathology and Laboratory Services, Denver Health, Denver, CO 80204, USA; Department of Pathology, University of Colorado School of Medicine, Aurora, CO, USA. Electronic address: michael.wilson@dhha.org.
2 Department of Pathology, Aga Khan University Hospital Nairobi, Nairobi, Kenya.
3 School of Public Health and Health Systems, University of Waterloo, Waterloo, ON, Canada.
4 Centre for Global Health, National Cancer Institute, Rockville, MD, USA; Emeritus Fellow, Green Templeton College, University of Oxford, UK.