RT Article T1 Grocery food taxes and U.S. county obesity and diabetes rates JF Health economics review A1 Wang, Lingxiao A2 Kaiser, Harry M. 1961- A2 Dong, Diansheng A2 Buck, Steven A2 Zheng, Yuqing LA English YR 2021 UL https://krimdok.uni-tuebingen.de/Record/1912569140 DO 10.1186/s13561-021-00306-2