Received: 12 May 2020
Accepted: 18 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: The interviews took place as part of an evaluation of a project jointly implemented by the Governments of China and the UK. Itad, the company contracted to undertake the evaluation, reviewed any ethical implications of the planned interviews as part of its inception report, following its standard procedure.We explained the purpose of the evaluation to all informants and obtained permission to interview them on the understanding that we would not attribute any statements to specific individuals.
: Not applicable.
: The authors declare that they have no competing interests.