In a New England Journal of Medicine review article, Anne Mills of the London School of Hygiene and Tropical Medicine “…briefly reviews the main weaknesses of health care systems in low- and middle-income countries, lists the most common responses to those weaknesses, and then presents three of the most popular responses for further review. These responses, which have attracted considerable controversy, involve the questions of whether to pay for health care through general taxation or contributory insurance funds to improve financial protection for specific sections of the population, whether to use financial incentives to increase health care utilization and improve health care quality, and whether to make use of private entities to extend the reach of the health care system…” (2/6).