Submitted on: 16 November 1999.
Revised on: 13 January 2000.
Accepted on: 01 March 2000.
___________________Archives of Osteoporosis---SPRINGER LONDON LTD
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Submitted on: 19 October 2012.
Revised on: 05 December 2012.
Accepted on: 01 January 2013.
___________________Archives of Osteoporosis---SPRINGER LONDON LTD
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