Table 3.
Contact | Country | Sample size | Type of cancer | Start date | Completion date |
Li et al48] | China | 1056 | Locally AGC | 2012/9/1 | 2018/6/1 |
Shi et al49] | China | 328 | Locally AGC | 2010/2/1 | 2015/2/1 |
Huang et al50] | China | 111 | AGC | 2011/11/1 | Not stated |
Han et al51] | South Korea | 1050 | Locally AGC | 2011/10/1 | 2016/9/1 |
Kim et al52] | South Korea | 204 | Locally AGC | 2010/6/1 | 2016/12/1 |
Kim et al53] | South Korea | 124 | Locally AGC | 2008/8/1 | 2013/7/1 |
Tsuyoshi et al54] | Japan | 500 | Locally AGC | 2009/11/1 | Not stated |