| article html file updated | 20 August 2026 22:27 CEST | Update | https://www.mdpi.com/2218-1997/7/11/450 |
| article html file updated | 26 December 2025 08:32 CET | Update | N/A |
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| article html file updated | 23 November 2021 09:30 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2021 09:28 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/11/450/pdf |
| article xml uploaded. | 23 November 2021 09:28 CET | Update | https://www.mdpi.com/2218-1997/7/11/450/xml |
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| article pdf uploaded. | 19 November 2021 13:22 CET | Version of Record | https://www.mdpi.com/2218-1997/7/11/450/pdf-vor |