The trial will take place in four provinces—Zhejiang, Hubei, Shanxi, and Guizhou—spanning Eastern, Central, and Western China.
Greater Accra, Central and Western regions
Anhui Province, Jiangsu Province, Zhejiang Province, and Shanghai
Xi'an City, Shaanxi Province
Eastern Province
Chipata District, Eastern Province
Fujian Province
Central and Eastern Province
Hubei province
Guangxi Province