Submitted on: 28 May 2002.
Revised on: 21 August 2002.
Accepted on: 04 October 2002.
___________________JOURNAL OF GENERAL INTERNAL MEDICINE
Submitted on: 03 May 2017.
Revised on: 19 August 2017.
Accepted on: 06 October 2017.
___________________JOURNAL OF GENERAL INTERNAL MEDICINE
Submitted on: 31 December 2017.
Revised on: 01 February 2018.
Accepted on: 11 March 2018.
___________________JOURNAL OF GENERAL INTERNAL MEDICINE
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http://reply.papertrans.cn/2/170/16983/16983-35.png
Submitted on: 21 September 2018.
Revised on: 09 January 2019.
Accepted on: 10 February 2019.
___________________JOURNAL OF GENERAL INTERNAL MEDICINE