http://reply.papertrans.cn/2/196/19576/19576-31.png
Submitted on: 28 May 2016.
Revised on: 11 September 2016.
Accepted on: 15 October 2016.
___________________Journal of the American Board of Family Medicine
Submitted on: 22 October 1998.
Revised on: 17 December 1998.
Accepted on: 03 February 1999.
___________________Journal of the American Board of Family Medicine
Submitted on: 27 November 2000.
Revised on: 30 January 2001.
Accepted on: 11 February 2001.
___________________Journal of the American Board of Family Medicine
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Submitted on: 16 August 2023.
Revised on: 21 October 2023.
Accepted on: 06 November 2023.
___________________Journal of the American Board of Family Medicine