Original sentence: He has been a lecturer at Georgetown and Berkeley Universities, and researcher at Yale University, Stanford University, University of California (San Diego), University of Maryland, University of Arizona, University of Adelaide (Australia), and Hosei University  (Tokyo, Japan) among others
Edited sentence: He has been a lecturer at Georgetown and Berkeley Universities, and researcher at Yale University, Stanford University, University of California (San Diego), University of Maryland, College Park, University of Arizona, University of Adelaide (Australia), and Hosei University  (Tokyo, Japan) among others