Submitted on: 17 August 2001.
Revised on: 21 October 2001.
Accepted on: 22 November 2001.
___________________AMERICAN JOURNAL OF PREVENTIVE MEDICINE
http://reply.papertrans.cn/1/15/1416/1416-22.png
Submitted on: 05 September 2023.
Revised on: 12 November 2023.
Accepted on: 05 December 2023.
___________________AMERICAN JOURNAL OF PREVENTIVE MEDICINE
http://reply.papertrans.cn/1/15/1416/1416-24.png
http://reply.papertrans.cn/1/15/1416/1416-25.png
http://reply.papertrans.cn/1/15/1416/1416-26.png
Submitted on: 23 July 2003.
Revised on: 24 October 2003.
Accepted on: 05 November 2003.
___________________AMERICAN JOURNAL OF PREVENTIVE MEDICINE
Submitted on: 14 May 2016.
Revised on: 09 September 2016.
Accepted on: 15 October 2016.
___________________AMERICAN JOURNAL OF PREVENTIVE MEDICINE
Submitted on: 01 June 2010.
Revised on: 18 September 2010.
Accepted on: 02 November 2010.
___________________AMERICAN JOURNAL OF PREVENTIVE MEDICINE
Submitted on: 14 October 2024.
Revised on: 10 December 2024.
Accepted on: 28 December 2024.
___________________AMERICAN JOURNAL OF PREVENTIVE MEDICINE