| article html file updated | 29 August 2025 20:57 CEST | Update | https://www.mdpi.com/1999-4915/6/2/727 |
| article html file updated | 20 August 2025 21:54 CEST | Update | - |
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| article html file updated | 18 March 2014 10:01 CET | Original file | - |
| article xml file uploaded | 18 March 2014 10:01 CET | Original file | https://www.mdpi.com/1999-4915/6/2/727/xml |
| article pdf uploaded. | 14 February 2014 17:15 CET | Updated version of record | https://www.mdpi.com/1999-4915/6/2/727/pdf |
| article pdf uploaded. | 13 February 2014 10:35 CET | Version of Record | https://www.mdpi.com/1999-4915/6/2/727/pdf-vor |
