Submitted on: 04 July 2014.
Revised on: 08 August 2014.
Accepted on: 02 September 2014.
PUBLIC HEALTH REPORTS---SAGE PUBLICATIONS INC
Submitted on: 25 April 2018.
Revised on: 31 May 2018.
Accepted on: 07 June 2018.
PUBLIC HEALTH REPORTS
Submitted on: 01 November 2018.
Revised on: 29 November 2018.
Accepted on: 18 December 2018.
PUBLIC HEALTH REPORTS
Submitted on: 01 July 2016.
Revised on: 24 July 2016.
Accepted on: 31 July 2016.
PUBLIC HEALTH REPORTS---SAGE PUBLICATIONS INC
http://reply.papertrans.cn/3/258/25785/25785-35.png
Submitted on: 09 April 2013.
Revised on: 25 April 2013.
Accepted on: 09 May 2013.
PUBLIC HEALTH REPORTS---SAGE PUBLICATIONS INC