| article html file updated | 30 August 2025 07:41 CEST | Update | https://www.mdpi.com/2075-4450/9/4/138 |
| article html file updated | 17 July 2022 04:39 CEST | Update | - |
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| article html file updated | 26 December 2018 21:05 CET | Update | - |
| article html file updated | 11 October 2018 11:50 CEST | Original file | - |
| article pdf uploaded. | 11 October 2018 11:50 CEST | Version of Record | https://www.mdpi.com/2075-4450/9/4/138/pdf |
| article xml uploaded. | 11 October 2018 11:50 CEST | Update | https://www.mdpi.com/2075-4450/9/4/138/xml |
| article xml file uploaded | 11 October 2018 11:50 CEST | Original file | - |
