| article html file updated | 1 September 2025 08:31 CEST | Update | https://www.mdpi.com/2227-9067/7/9/137 |
| article html file updated | 22 July 2022 07:17 CEST | Update | - |
| article html file updated | 19 September 2020 03:46 CEST | Update | - |
| article pdf uploaded. | 19 September 2020 03:45 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/137/pdf |
| article html file updated | 19 September 2020 03:39 CEST | Update | - |
| article pdf uploaded. | 19 September 2020 03:38 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/137/pdf-vor |
| article xml uploaded. | 19 September 2020 03:38 CEST | Update | https://www.mdpi.com/2227-9067/7/9/137/xml |
| article xml file uploaded | 19 September 2020 03:38 CEST | Update | - |
| article html file updated | 16 September 2020 09:17 CEST | Update | - |
| article xml uploaded. | 16 September 2020 09:16 CEST | Update | - |
| article pdf uploaded. | 16 September 2020 09:16 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/137/pdf-vor |
| article xml file uploaded | 16 September 2020 09:16 CEST | Update | - |
| article html file updated | 16 September 2020 09:04 CEST | Update | - |
| article pdf uploaded. | 16 September 2020 09:02 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/137/pdf-vor |
| article xml uploaded. | 16 September 2020 09:02 CEST | Update | - |
| article xml file uploaded | 16 September 2020 09:02 CEST | Update | - |
| article html file updated | 15 September 2020 14:48 CEST | Original file | - |
| article pdf uploaded. | 15 September 2020 14:46 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/9/137/pdf-vor |
| article xml uploaded. | 15 September 2020 14:46 CEST | Update | - |
| article xml file uploaded | 15 September 2020 14:46 CEST | Original file | - |
