Original sentence: The Rare Disease Legislative Caucus aims: to represent constituent concerns about disease and health-related issues, influence legislation to assist citizens and families affected by rare diseases, and to facilitate conversations between the medical and patient communities.The caucus is currently co-chaired by Representatives Joseph Crowley (D-NY) and Leonard Lance (R-NJ)  and Senators Orrin Hatch (R-UT) and Amy Klobuchar (D-MN).The caucus works to advance legislation and education regarding specialized and uncommon health issues and diseases, and to promote patient advocacy.Upton recommended that Leonard Lance (R-NJ) take over as the Republican Co-chair of the caucus, where he now serves with Crowley
Edited sentence: It also works toward collaboration on ideas and solutions for those affected by rare or uncommon diseases, and to facilitate conversations between the medical and patient community.The Rare Disease Legislative Caucus aims to represent constituent concerns about disease and health-related issues.The caucus is currently co-chaired by RepresentativesJoseph Crowley (D-NY) and Leonard Lance (R-NJ)  and Senators Orrin Hatch (R-UT) and Amy Klobuchar (D-MN).The caucus works to advance legislation and education regarding specialized and uncommon health issues and diseases, while also promoting patient advocacy.The caucus works to influence legislation to assist citizens and families affected by rare diseases.Upton recommended that Leonard Lance (R-NJ) take over as the Republican Co-chair of the caucus, where he now serves with Rep