| article html file updated | 29 August 2025 20:32 CEST | Update | https://www.mdpi.com/2075-4450/4/1/90 |
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| article xml file uploaded | 27 January 2015 07:07 CET | Update | https://www.mdpi.com/2075-4450/4/1/90/xml |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
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| article html file updated | 8 February 2013 09:22 CET | Update | N/A |
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| article html file updated | 24 January 2013 11:53 CET | Original file | N/A |
