| article html file updated | 1 September 2025 07:09 CEST | Update | https://www.mdpi.com/1999-4893/13/9/212 |
| article html file updated | 22 July 2022 05:29 CEST | Update | - |
| article html file updated | 3 September 2020 09:59 CEST | Original file | - |
| article pdf uploaded. | 3 September 2020 09:58 CEST | Updated version of record | https://www.mdpi.com/1999-4893/13/9/212/pdf |
| article xml uploaded. | 3 September 2020 09:58 CEST | Update | https://www.mdpi.com/1999-4893/13/9/212/xml |
| article xml file uploaded | 3 September 2020 09:58 CEST | Original file | - |
| article pdf uploaded. | 31 August 2020 16:01 CEST | Version of Record | https://www.mdpi.com/1999-4893/13/9/212/pdf-vor |
