“City/region … of M differed 1.8-fold: 0.1321, Rochester, NY; 0.1456, Birmingham, AL; 0.1569, Upper Savannah Region, SC; 0.1612, Portland, OR; 0.1746, San Diego, CA ; 0.1780, Hartford, CT; 0.1957, District of Columbia; 0.2377, Oakland, CA; and 0.2429, Irvine, CA.”