| article html file updated | 25 December 2025 10:56 CET | Update | https://www.mdpi.com/2075-4434/9/2/33 |
| article html file updated | 2 September 2025 06:54 CEST | Update | - |
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| article xml uploaded. | 8 July 2021 12:02 CEST | Update | https://www.mdpi.com/2075-4434/9/2/33/xml |
| article pdf uploaded. | 8 July 2021 12:02 CEST | Updated version of record | https://www.mdpi.com/2075-4434/9/2/33/pdf |
| article html file updated | 14 May 2021 23:38 CEST | Original file | - |
| article pdf uploaded. | 14 May 2021 08:00 CEST | Updated version of record | https://www.mdpi.com/2075-4434/9/2/33/pdf-vor |
| article xml file uploaded | 14 May 2021 08:00 CEST | Original file | - |
| article pdf uploaded. | 12 May 2021 14:36 CEST | Version of Record | https://www.mdpi.com/2075-4434/9/2/33/pdf-vor |
