| article html file updated | 1 September 2025 16:51 CEST | Update | https://www.mdpi.com/2077-1312/9/1/8 |
| article html file updated | 23 July 2022 06:55 CEST | Update | - |
| article html file updated | 24 December 2020 03:34 CET | Update | - |
| article pdf uploaded. | 24 December 2020 03:32 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/1/8/pdf |
| article xml uploaded. | 24 December 2020 03:32 CET | Update | https://www.mdpi.com/2077-1312/9/1/8/xml |
| article xml file uploaded | 24 December 2020 03:32 CET | Update | - |
| article html file updated | 24 December 2020 02:51 CET | Update | - |
| article pdf uploaded. | 24 December 2020 02:50 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/1/8/pdf-vor |
| article xml uploaded. | 24 December 2020 02:50 CET | Update | - |
| article xml file uploaded | 24 December 2020 02:50 CET | Update | - |
| article html file updated | 23 December 2020 18:08 CET | Original file | - |
| article pdf uploaded. | 23 December 2020 18:06 CET | Version of Record | https://www.mdpi.com/2077-1312/9/1/8/pdf-vor |
| article xml uploaded. | 23 December 2020 18:06 CET | Update | - |
| article xml file uploaded | 23 December 2020 18:06 CET | Original file | - |
