http://reply.papertrans.cn/1/75/7473/7473-31.png
Submitted on: 07 March 2017.
Revised on: 19 June 2017.
Accepted on: 30 June 2017.
___________________Digital Health---SAGE PUBLICATIONS LTD
http://reply.papertrans.cn/1/75/7473/7473-33.png
http://reply.papertrans.cn/1/75/7473/7473-34.png
http://reply.papertrans.cn/1/75/7473/7473-35.png
Submitted on: 17 August 2015.
Revised on: 31 October 2015.
Accepted on: 30 December 2015.
___________________Digital Health---SAGE PUBLICATIONS LTD