| article html file updated | 1 September 2025 07:16 CEST | Update | https://www.mdpi.com/1999-4893/13/9/216 |
| article html file updated | 22 July 2022 05:38 CEST | Update | N/A |
| article html file updated | 2 September 2020 06:19 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2020 06:17 CEST | Updated version of record | https://www.mdpi.com/1999-4893/13/9/216/pdf |
| article xml uploaded. | 2 September 2020 06:17 CEST | Update | https://www.mdpi.com/1999-4893/13/9/216/xml |
| article xml file uploaded | 2 September 2020 06:17 CEST | Original file | N/A |
| article pdf uploaded. | 1 September 2020 14:47 CEST | Version of Record | https://www.mdpi.com/1999-4893/13/9/216/pdf-vor |
