Submitted on: 29 January 2017.
Revised on: 26 February 2017.
Accepted on: 08 March 2017.
Lancet Digital Health---ELSEVIER
Submitted on: 22 May 2014.
Revised on: 18 June 2014.
Accepted on: 12 July 2014.
Lancet Digital Health---ELSEVIER
Submitted on: 02 February 2014.
Revised on: 13 March 2014.
Accepted on: 25 March 2014.
Lancet Digital Health
Submitted on: 22 June 2001.
Revised on: 23 July 2001.
Accepted on: 16 August 2001.
Lancet Digital Health---ELSEVIER
Submitted on: 15 May 2015.
Revised on: 28 May 2015.
Accepted on: 19 June 2015.
Lancet Digital Health
http://reply.papertrans.cn/3/205/20491/20491-26.png
http://reply.papertrans.cn/3/205/20491/20491-27.png
Submitted on: 02 March 2021.
Revised on: 06 April 2021.
Accepted on: 12 April 2021.
Lancet Digital Health
http://reply.papertrans.cn/3/205/20491/20491-29.png
Submitted on: 11 July 2008.
Revised on: 11 August 2008.
Accepted on: 04 September 2008.
Lancet Digital Health---ELSEVIER