| article html file updated | 1 September 2025 08:37 CEST | Update | https://www.mdpi.com/1999-4923/12/9/880 |
| article html file updated | 22 July 2022 07:25 CEST | Update | - |
| article html file updated | 17 September 2020 05:54 CEST | Original file | - |
| article pdf uploaded. | 17 September 2020 05:53 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/9/880/pdf |
| article xml uploaded. | 17 September 2020 05:53 CEST | Update | https://www.mdpi.com/1999-4923/12/9/880/xml |
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| article pdf uploaded. | 16 September 2020 15:10 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/9/880/pdf-vor |
