| article html file updated | 1 September 2025 07:33 CEST | Update | https://www.mdpi.com/2227-7390/8/9/1506 |
| article html file updated | 22 July 2022 06:00 CEST | Update | N/A |
| article html file updated | 9 October 2020 22:33 CEST | Update | N/A |
| article html file updated | 8 September 2020 14:18 CEST | Original file | N/A |
| article pdf uploaded. | 8 September 2020 14:17 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/9/1506/pdf |
| article xml uploaded. | 8 September 2020 14:17 CEST | Update | https://www.mdpi.com/2227-7390/8/9/1506/xml |
| article xml file uploaded | 8 September 2020 14:17 CEST | Original file | N/A |
| article pdf uploaded. | 4 September 2020 12:39 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/9/1506/pdf-vor |
