America is home to millions of people. With citizens and their rights, health care provision is a vital responsibility of the state. The Institute of Medicine (IOM) issued a report (TO Err Is Human: Building a Safer Health System, 1999) which regarded patient safety as the number one concern of the health care managers in US (Nakcheon, 2011). Healths care institutes and practitioners aim and work for the betterment of the people and manage their concerns regarding their health. Expenditures of the health sector entail much more than the doctors and hospitals. It ...