Matlab script: Create BEM headmodel for EEG

[Avni Pllana]

I am trying to run on my PC the Matlab script
 
 http://fcdonders.ruhosting.nl/fieldtrip/doku.php?id=fieldtrip:
 documentation:examples:create_bem_headmodel_for_eeg
 
 but Matlab returns the error message: Undefined function or 
 method 'strel_bol'
 
 On my PC are installed: Matlab 7.5 , Fieldtrip-20080423  and 
 SPM2 . Any help is appreciated.
 
 Best regards,
      Avni

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