| article html file updated | 2 September 2025 08:50 CEST | Update | https://www.mdpi.com/1999-4915/13/6/991 |
| article html file updated | 26 July 2022 21:25 CEST | Update | - |
| article html file updated | 3 June 2021 03:33 CEST | Update | - |
| article pdf uploaded. | 3 June 2021 03:32 CEST | Updated version of record | https://www.mdpi.com/1999-4915/13/6/991/pdf |
| article xml uploaded. | 3 June 2021 03:32 CEST | Update | https://www.mdpi.com/1999-4915/13/6/991/xml |
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| article html file updated | 26 May 2021 14:10 CEST | Original file | - |
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| article xml file uploaded | 26 May 2021 14:09 CEST | Original file | - |
