http://reply.papertrans.cn/2/150/14904/14904-31.png
Submitted on: 19 April 2008.
Revised on: 15 June 2008.
Accepted on: 25 July 2008.
___________________JMIR mHealth and uHealth---JMIR PUBLICATIONS, INC
Submitted on: 10 August 2017.
Revised on: 08 October 2017.
Accepted on: 08 November 2017.
___________________JMIR mHealth and uHealth---JMIR PUBLICATIONS, INC
http://reply.papertrans.cn/2/150/14904/14904-34.png
Submitted on: 24 July 2000.
Revised on: 06 September 2000.
Accepted on: 27 September 2000.
___________________JMIR mHealth and uHealth---JMIR PUBLICATIONS, INC
Submitted on: 02 April 2019.
Revised on: 29 June 2019.
Accepted on: 25 August 2019.
___________________JMIR mHealth and uHealth---JMIR PUBLICATIONS, INC