1. Department of Surgery, Division of Emergency Medicine, Duke University Medical Center, 2301 Erwin Rd, Durham, NC, USA
2. Department of Medicine, Division of Infectious Disease, Duke University Medical Center, 2301 Erwin Rd, Durham, NC, USA
3. Department of Statistical Science, Duke University, Durham, NC, USA
4. Kilimanjaro Christian Medical Centre, Moshi, Tanzania
5. Duke Global Health Institute, Duke University, 310 Trent Dr, Durham, NC, USA
6. Otago Global Health Institute, University of Otago, Dunedin, New Zealand