| article html file updated | 1 September 2025 18:18 CEST | Update | https://www.mdpi.com/2227-7390/9/2/146 |
| article html file updated | 23 July 2022 13:44 CEST | Update | - |
| article pdf uploaded. | 15 January 2021 09:13 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/2/146/pdf |
| article html file updated | 13 January 2021 02:22 CET | Update | - |
| article xml uploaded. | 13 January 2021 02:21 CET | Update | https://www.mdpi.com/2227-7390/9/2/146/xml |
| article xml uploaded. | 13 January 2021 02:21 CET | Update | - |
| article pdf uploaded. | 13 January 2021 02:21 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/2/146/pdf-vor |
| article html file updated | 11 January 2021 12:12 CET | Original file | - |
| article pdf uploaded. | 11 January 2021 12:10 CET | Version of Record | https://www.mdpi.com/2227-7390/9/2/146/pdf-vor |
| article xml uploaded. | 11 January 2021 12:10 CET | Update | - |
| article xml file uploaded | 11 January 2021 12:10 CET | Original file | - |
