1. Department of Surgery, University of California San Francisco, San Francisco, California, USA.
2. Lifebox Foundation, Boston, Massachusetts, USA.
3. St. Peter's Specialized Hospital, Addis Ababa, Ethiopia.
4. Department of Surgery, Stanford University, Stanford, California, USA.
5. Department of Surgery, Black Lion Hospital, Addis Ababa University, Addis Ababa, Ethiopia.
6. Department of Surgery, University of Global Health Equity, Kigali, Rwanda.
7. Department of Surgery, Fitche General Hospital, Fitche, Ethiopia.
8. Department of Clinical Surgery, Royal Infirmary of Edinburgh, University of Edinburgh, Edinburgh, United Kingdom.