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Submitted on: 14 October 2004.
Revised on: 21 January 2005.
Accepted on: 10 March 2005.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
Submitted on: 25 May 2006.
Revised on: 26 July 2006.
Accepted on: 03 September 2006.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
Submitted on: 25 August 2001.
Revised on: 29 September 2001.
Accepted on: 27 November 2001.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
Submitted on: 21 December 2003.
Revised on: 13 March 2004.
Accepted on: 03 May 2004.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
Submitted on: 25 June 2015.
Revised on: 11 August 2015.
Accepted on: 06 October 2015.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
Submitted on: 28 October 2017.
Revised on: 29 January 2018.
Accepted on: 01 March 2018.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
http://reply.papertrans.cn/1/89/8804/8804-28.png
Submitted on: 14 October 2001.
Revised on: 07 January 2002.
Accepted on: 12 February 2002.
___________________ERJ Open Research---EUROPEAN RESPIRATORY SOC JOURNALS LTD
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