| article html file updated | 1 September 2025 17:19 CEST | Update | https://www.mdpi.com/2227-9059/9/1/21 |
| article html file updated | 23 July 2022 08:26 CEST | Update | - |
| article html file updated | 14 January 2021 08:37 CET | Update | - |
| article pdf uploaded. | 14 January 2021 08:36 CET | Updated version of record | https://www.mdpi.com/2227-9059/9/1/21/pdf |
| article xml uploaded. | 14 January 2021 08:36 CET | Update | https://www.mdpi.com/2227-9059/9/1/21/xml |
| article xml file uploaded | 14 January 2021 08:36 CET | Update | - |
| article html file updated | 30 December 2020 09:21 CET | Update | - |
| article pdf uploaded. | 30 December 2020 09:19 CET | Updated version of record | https://www.mdpi.com/2227-9059/9/1/21/pdf-vor |
| article xml uploaded. | 30 December 2020 09:19 CET | Update | - |
| article xml file uploaded | 30 December 2020 09:19 CET | Update | - |
| article html file updated | 30 December 2020 03:35 CET | Original file | - |
| article pdf uploaded. | 30 December 2020 03:34 CET | Version of Record | https://www.mdpi.com/2227-9059/9/1/21/pdf-vor |
| article xml uploaded. | 30 December 2020 03:34 CET | Update | - |
| article xml file uploaded | 30 December 2020 03:34 CET | Original file | - |
