| article html file updated | 24 December 2025 21:14 CET | Update | https://www.mdpi.com/2227-9067/7/9/131 |
| article html file updated | 1 September 2025 07:51 CEST | Update | N/A |
| article html file updated | 22 July 2022 06:17 CEST | Update | N/A |
| article html file updated | 21 September 2020 03:31 CEST | Update | N/A |
| article pdf uploaded. | 21 September 2020 03:30 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/131/pdf |
| article xml uploaded. | 21 September 2020 03:30 CEST | Update | https://www.mdpi.com/2227-9067/7/9/131/xml |
| article xml file uploaded | 21 September 2020 03:30 CEST | Update | N/A |
| article html file updated | 18 September 2020 11:08 CEST | Update | N/A |
| article pdf uploaded. | 18 September 2020 11:06 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/131/pdf-vor |
| article xml uploaded. | 18 September 2020 11:06 CEST | Update | N/A |
| article xml file uploaded | 18 September 2020 11:06 CEST | Update | N/A |
| article html file updated | 7 September 2020 13:25 CEST | Original file | N/A |
| article pdf uploaded. | 7 September 2020 13:24 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/9/131/pdf-vor |
| article xml uploaded. | 7 September 2020 13:24 CEST | Update | N/A |
| article xml file uploaded | 7 September 2020 13:23 CEST | Original file | N/A |
