| article html file updated | 25 December 2025 08:12 CET | Update | https://www.mdpi.com/1999-4915/13/4/669 |
| article html file updated | 2 September 2025 03:36 CEST | Update | N/A |
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| article html file updated | 16 April 2021 03:08 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2021 03:06 CEST | Updated version of record | https://www.mdpi.com/1999-4915/13/4/669/pdf |
| article xml uploaded. | 16 April 2021 03:06 CEST | Update | https://www.mdpi.com/1999-4915/13/4/669/xml |
| article xml file uploaded | 16 April 2021 03:06 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2021 10:38 CEST | Version of Record | https://www.mdpi.com/1999-4915/13/4/669/pdf-vor |
