| article html file updated | 1 September 2025 17:06 CEST | Update | https://www.mdpi.com/1999-4893/14/1/6 |
| article html file updated | 23 July 2022 07:41 CEST | Update | - |
| article html file updated | 31 December 2020 03:54 CET | Update | - |
| article pdf uploaded. | 31 December 2020 03:53 CET | Updated version of record | https://www.mdpi.com/1999-4893/14/1/6/pdf |
| article xml uploaded. | 31 December 2020 03:53 CET | Update | https://www.mdpi.com/1999-4893/14/1/6/xml |
| article xml file uploaded | 31 December 2020 03:53 CET | Update | - |
| article html file updated | 27 December 2020 10:05 CET | Original file | - |
| article pdf uploaded. | 27 December 2020 10:04 CET | Version of Record | https://www.mdpi.com/1999-4893/14/1/6/pdf-vor |
| article xml uploaded. | 27 December 2020 10:04 CET | Update | - |
| article xml file uploaded | 27 December 2020 10:04 CET | Original file | - |
