1. US Energy Information, Annual Energy Review 2011, Table 1.10 Table 1.9, (2012)
2. European Commission 2016. Review of available information Accompanying the document Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions on an EU Strategy for Heating and Cooling. SWD (2016) 24 final, Brussels. Available from: https://ec.europa.eu/energy/sites/ener/files/documents/1_EN_autre_document_travail_service_part1_v6_0.pdf
3. Cambridge Architectural Research. How much energy could be saved by making small changes to everyday household behaviours? Department of Energy and Climate Change, London. (2012) Accessed July 4 2019 https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/128720/6923-how-much-energy-could-be-saved-by-making-small-cha.pdf
4. Impact of ambient temperature on morbidity and mortality: An overview of reviews;X. Song;Science of The Total Environment,2017
5. Factors associated with chronic obstructive pulmonary disease exacerbation, based on big data analysis;J. Lee;Scientific Reports,2019