| article html file updated | 1 September 2025 07:30 CEST | Update | https://www.mdpi.com/1999-4893/13/9/220 |
| article html file updated | 22 July 2022 05:55 CEST | Update | - |
| article html file updated | 7 September 2020 10:57 CEST | Original file | - |
| article pdf uploaded. | 7 September 2020 10:56 CEST | Updated version of record | https://www.mdpi.com/1999-4893/13/9/220/pdf |
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| article pdf uploaded. | 3 September 2020 16:42 CEST | Updated version of record | https://www.mdpi.com/1999-4893/13/9/220/pdf-vor |
| article pdf uploaded. | 3 September 2020 16:42 CEST | Version of Record | https://www.mdpi.com/1999-4893/13/9/220/pdf-vor |
