Affiliation: | (1) Department of Surgery, Center for Surgical Systems and Public Health, University of California San Diego, San Diego, CA, USA;(2) Department of Surgery, Johns Hopkins University, Baltimore, MD, USA;(3) Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA;(4) Department of Surgery, Korle Bu Teaching Hospital, Accra, Ghana;(5) Department of Surgery, Komfo Anokye Teaching Hospital, Kumasi, Ghana;(6) Department of Surgery, Columbia University, New York, NY, USA |