Instructions: Given a text, write a compressed version of it in a single sentence.
Input: As noted in Section I (Introduction), we present Base and Alternative estimates for mortality and chronic bronchitis benefits. The different methodologies and assumptions for these approaches are discussed in separate subsections in the effects estimation and valuation sections below.
Output:
As noted in Section I, we present Base and Alternative estimates for chronic bronchitis benefits. The different methodologies for these approaches are in subsections in the estimation and valuation sections.