1.Chaudhuri S，Duttagupta S，Pawar TD. Ambulation Analysis in Wearable ECG［M］. New York：Springer，2009：6-7.

2.Ding XR，Zhang YT，Liu J，et al. Continuous Cuffless Blood Pressure Estimation Using Pulse Transit Time and Photoplethysmogram Intensity Ratio［J］. IEEE Transactions On Biomedical Engineering，2016，63（5）：964-972.

3.Chowdhury K，Srivastava A，Sharma N，et al. Challenges & Countermeasures in Optical Noninvasive Blood Glucose Detection［J］. International Journal of Innovative Research in Science，Engineering and Technology，2013，2（1）：329-334.

4.American Telemedicine Association. Core operational guidelines for telehealth services involving provider-patient interactions［S］. Washington，DC：American Telemedicine Association；2014［cited 2015 Oct 27］.

5.Brennan DM，Tindall L，Theodoros D，et al. A blueprint for telerehabilitation guidelines--October 2010［J］. International Journal of Telerehabilitation，2010，2（2）：662.