1. Anonymous Interviewee 1, Interview with local official, 28 Nov 2014, Seoul, South Korea.
2. Anonymous Interviewee 2, Interview with local scholar, 14 Sep 2012 Changchun, Jilin province.
3. Anonymous Interviewee 3, Interview with local scholar, 11 Aug 2015, Beijing.
4. Anonymous Interviewee 4, Interview with local scholar, 11 Sep 2012 Changchun, Jilin province.
5. Anonymous Interviewee 5, Interview with local scholar, 9 Sep 2012 Dandong, Liaoning province.