Submitted on: 23 December 2014.
Revised on: 06 January 2015.
Accepted on: 31 January 2015.
SSM-Population Health
Submitted on: 03 November 2002.
Revised on: 04 December 2002.
Accepted on: 18 December 2002.
SSM-Population Health---ELSEVIER SCI LTD
Submitted on: 04 June 2003.
Revised on: 17 June 2003.
Accepted on: 01 July 2003.
SSM-Population Health
Submitted on: 18 January 2009.
Revised on: 29 January 2009.
Accepted on: 12 February 2009.
SSM-Population Health
http://reply.papertrans.cn/3/286/28592/28592-15.png
Submitted on: 05 June 2000.
Revised on: 15 July 2000.
Accepted on: 06 August 2000.
SSM-Population Health
Submitted on: 27 November 2023.
Revised on: 13 December 2023.
Accepted on: 05 January 2024.
SSM-Population Health---ELSEVIER SCI LTD
http://reply.papertrans.cn/3/286/28592/28592-18.png
Submitted on: 15 June 2019.
Revised on: 09 July 2019.
Accepted on: 28 July 2019.
SSM-Population Health
Submitted on: 13 August 2021.
Revised on: 10 September 2021.
Accepted on: 04 October 2021.
SSM-Population Health---ELSEVIER SCI LTD