A new paper using the SOSAS (Surgeons OverSeas Assessment of Surgical need) was recently published in JAMA Network Open. It documented the prevalence of pediatric surgical conditions across Somaliland.
You can read the full article is here:
To learn more about the development of SOSAS check out Chapter 1: Quantifying the need for surgical care A case study from Sierra Leone by Reinou S. Groen, MD, MIH, PhD in Operation Health: Surgical care in the developing world, available from Amazon or Johns Hopkins University Press.
Operation Health: A series of books on surgery and global health from Johns Hopkins University Press 