| article html file updated | 26 December 2025 02:01 CET | Update | https://www.mdpi.com/2226-4787/9/4/160 |
| article html file updated | 7 September 2025 02:04 CEST | Update | - |
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| article html file updated | 25 November 2021 04:20 CET | Update | - |
| article pdf uploaded. | 25 November 2021 04:19 CET | Updated version of record | https://www.mdpi.com/2226-4787/9/4/160/pdf |
| article xml uploaded. | 25 November 2021 04:19 CET | Update | https://www.mdpi.com/2226-4787/9/4/160/xml |
| article xml file uploaded | 25 November 2021 04:19 CET | Update | - |
| article html file updated | 20 October 2021 04:52 CEST | Original file | - |
| article pdf uploaded. | 20 October 2021 04:50 CEST | Updated version of record | https://www.mdpi.com/2226-4787/9/4/160/pdf-vor |
| article xml uploaded. | 20 October 2021 04:50 CEST | Update | - |
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| article pdf uploaded. | 30 September 2021 17:50 CEST | Version of Record | https://www.mdpi.com/2226-4787/9/4/160/pdf-vor |
