Submitted on: 10 August 2003.
Revised on: 27 November 2003.
Accepted on: 10 January 2004.
___________________3D Printing in Medicine---SPRINGERNATURE
Submitted on: 16 November 2015.
Revised on: 22 December 2015.
Accepted on: 20 January 2016.
___________________3D Printing in Medicine---SPRINGERNATURE
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