| article html file updated | 24 December 2025 23:35 CET | Update | https://www.mdpi.com/2218-6581/9/4/97 |
| article html file updated | 1 September 2025 14:03 CEST | Update | N/A |
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| article html file updated | 21 November 2020 08:28 CET | Original file | N/A |
| article pdf uploaded. | 21 November 2020 08:27 CET | Version of Record | https://www.mdpi.com/2218-6581/9/4/97/pdf |
| article xml uploaded. | 21 November 2020 08:27 CET | Update | https://www.mdpi.com/2218-6581/9/4/97/xml |
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