| article html file updated | 31 August 2025 08:26 CEST | Update | https://www.mdpi.com/1996-1073/13/2/304 |
| article html file updated | 19 July 2022 19:53 CEST | Update | - |
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| article pdf uploaded. | 8 January 2020 10:01 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/304/pdf |
| article xml uploaded. | 8 January 2020 10:01 CET | Update | https://www.mdpi.com/1996-1073/13/2/304/xml |
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