9　B Siwicki (2 August 2017) Comparing 11 top telehealth platforms: Company execs tout quality, safety, EHR integrations.
10　Apple announces effortless solution bringing health records to iPhone (24 January 2018)
11　Smart city (July 2017).
12　G Cook (22 October 2013) Why we are wired to connect?
3. 无限数据
1　What is an electronic health record (EHR)? (no date).
2　Benefits of electronic health records (EHRs) (no date).