1. GoFundMe. About GoFundMe. 2020. https://www.gofundme.com/c/about-us. Accessed 9 Jan 2020.
2. Indiegogo. About Us. 2020. https://www.indiegogo.com/about/our-story. Accessed 9 Jan 2020.
3. Kickstarter. About us. 2020. https://www.kickstarter.com/about?ref=global-footer. Accessed 9 Jan 2020.
4. Young MJ, Scheinberg E. The rise of crowdfunding formedical care promises and perils. JAMA. 2017;317(16):1623–4. https://doi.org/10.1001/jama.2017.3078.
5. Smith A. Shared, Collaborative and On Demand: The New Digital Economy. Pew Research Center. 2016. https://www.pewresearch.org/internet/2016/05/19/the-new-digital-economy/. Accessed 9 Jan 2020.