| Web searches used for generating inputs in the model: Dry Needling in the USA. https://pubmed.ncbi.nlm.nih.gov/32932050/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4117383/. Accessed: 27.09.2022 | | | | |
| General worldwide practitioners. http://en.nhc.gov.cn/2018-11/22/c_73938.htm. Accessed: 28.09.2022 | | | | |
| Environmental impact of plastics, copper, stainless steel. https://www.greenspec.co.uk/building-design/copper-production-environmental-impact/https://www.reuters.com/business/environment/metals-recycling-be-key-plank-cutting-emissions-2021-07-15/https://pubs.acs.org/doi/10.1021/acssuschemeng.9b06635. Accessed: 28.09.2022 | | | | |
| EU practitioners using acupuncture. http://www.camdoc.eu/Survey/Results_AC.html. Accessed: 27.09.2022 | | | | |
| Distribution of licensed acupuncturists in the USA. https://pubmed.ncbi.nlm.nih.gov/29397086/. Accessed: 27.09.2022 | | | | |