1. Social networking fact sheet. http://www.pewinternet.org/fact-sheet/social-media/ . Accessed Nov 2016.
2. Facebook Newsroom | Company Information. https://newsroom.fb.com/company-info/ . Accessed Nov 2016.
3. Bloomberg Technology | Facebook’s Second-Quarter Revenue, Profit Tops Estimates. https://www.bloomberg.com/news/articles/2014-07-23/facebook-posts-second-quarter-revenue-profit-topping-estimates . Accessed Nov 2016.
4. Social media “likes” healthcare: From marketing to social business. http://www.pwc.com/us/en/health-industries/publications/health-care-social-media.jhtml . Accessed Nov 2016.
5. Giordano C, Giordano C. Health professions students’ use of social media. J Allied Health. 2011;40(2):78–81.