Health indicators in developing countries have shown significant improvement in the last 50 years. People are living longer, fewer children and their mothers die in childbirth, and many diseases have been controlled and some eliminated. However, the health status of individuals in these countries remains below its potential level, and many people lack access to suitable health care and health-promoting services. There is still much to be achieved in the promotion of health care and well-being of individuals in the developing world. In recent years, the efficient and equitable provision of...