| article html file updated | 29 August 2025 22:00 CEST | Update | https://www.mdpi.com/2073-4425/6/3/751 |
| article html file updated | 16 July 2022 00:42 CEST | Update | - |
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| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/2073-4425/6/3/751/xml |
| article html file updated | 21 August 2015 15:28 CEST | Original file | - |
| article pdf uploaded. | 7 August 2015 13:22 CEST | Version of Record | https://www.mdpi.com/2073-4425/6/3/751/pdf |
