Submitted on: 21 August 2000.
Revised on: 10 December 2000.
Accepted on: 27 January 2001.
___________________BMC Sports Science Medicine and Rehabilitation
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Submitted on: 12 November 2001.
Revised on: 26 December 2001.
Accepted on: 05 February 2002.
___________________BMC Sports Science Medicine and Rehabilitation
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Submitted on: 24 September 2019.
Revised on: 05 November 2019.
Accepted on: 30 November 2019.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 15 August 2007.
Revised on: 19 September 2007.
Accepted on: 23 October 2007.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 29 December 2009.
Revised on: 20 March 2010.
Accepted on: 15 May 2010.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 12 July 2012.
Revised on: 05 August 2012.
Accepted on: 25 August 2012.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 21 July 2012.
Revised on: 18 August 2012.
Accepted on: 05 October 2012.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 11 December 2016.
Revised on: 19 March 2017.
Accepted on: 13 May 2017.
___________________BMC Sports Science Medicine and Rehabilitation