| article html file updated | 30 August 2025 12:14 CEST | Update | https://www.mdpi.com/1996-1944/12/4/644 |
| article html file updated | 19 July 2022 09:52 CEST | Update | - |
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| article pdf uploaded. | 20 February 2019 17:32 CET | Version of Record | https://www.mdpi.com/1996-1944/12/4/644/pdf |
| article xml uploaded. | 20 February 2019 17:32 CET | Update | https://www.mdpi.com/1996-1944/12/4/644/xml |
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