Identify 3 - 4 theories that are applied within complex health care systems. Each theory must apply to a different area of the health care system (leadership, culture, mission, etc.). Write a 1,400- to 1,750-word paper, applying your selected theories to a complex health care system. For each theory, you must address the following: Summarize your selected theory and its function within a health care system. Identify a problem or opportunity within a health care system. Describe how your selected theory can be used to address the identified problem or opportunity. Outline an implementation plan based on your selected theory to resolve the problem or opportunity.