Submitted on: 26 December 2012.
Revised on: 16 January 2013.
Accepted on: 09 March 2013.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 10 January 2004.
Revised on: 24 April 2004.
Accepted on: 15 May 2004.
___________________BMC Sports Science Medicine and Rehabilitation
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Submitted on: 09 October 2005.
Revised on: 02 December 2005.
Accepted on: 19 January 2006.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 02 March 2020.
Revised on: 18 April 2020.
Accepted on: 07 June 2020.
___________________BMC Sports Science Medicine and Rehabilitation
Submitted on: 25 February 2004.
Revised on: 07 June 2004.
Accepted on: 11 July 2004.
___________________BMC Sports Science Medicine and Rehabilitation