| article html file updated | 31 August 2025 15:46 CEST | Update | https://www.mdpi.com/2223-7747/9/4/416 |
| article html file updated | 21 July 2022 00:15 CEST | Update | - |
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| article pdf uploaded. | 28 March 2020 11:40 CET | Version of Record | https://www.mdpi.com/2223-7747/9/4/416/pdf |
| article xml uploaded. | 28 March 2020 11:40 CET | Update | https://www.mdpi.com/2223-7747/9/4/416/xml |
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