| article html file updated | 29 August 2025 21:48 CEST | Update | https://www.mdpi.com/2073-4336/6/2/124 |
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| article xml file uploaded | 3 September 2015 10:17 CEST | Original file | https://www.mdpi.com/2073-4336/6/2/124/xml |
| article pdf uploaded. | 4 June 2015 13:59 CEST | Updated version of record | https://www.mdpi.com/2073-4336/6/2/124/pdf |
| article pdf uploaded. | 3 June 2015 15:07 CEST | Version of Record | https://www.mdpi.com/2073-4336/6/2/124/pdf-vor |
