Submitted on: 21 January 2014.
Revised on: 19 March 2014.
Accepted on: 11 April 2014.
___________________Biomedical Spectroscopy and Imaging
Submitted on: 15 February 2001.
Revised on: 14 March 2001.
Accepted on: 21 April 2001.
___________________Biomedical Spectroscopy and Imaging
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