| article html file updated | 20 August 2026 06:31 CEST | Update | https://www.mdpi.com/2227-7102/11/9/473 |
| article html file updated | 25 December 2025 21:59 CET | Update | N/A |
| article html file updated | 6 September 2025 23:46 CEST | Update | N/A |
| article html file updated | 28 July 2022 08:14 CEST | Update | N/A |
| article html file updated | 3 September 2021 14:20 CEST | Update | N/A |
| article pdf uploaded. | 3 September 2021 14:19 CEST | Updated version of record | https://www.mdpi.com/2227-7102/11/9/473/pdf |
| article xml uploaded. | 3 September 2021 14:19 CEST | Update | https://www.mdpi.com/2227-7102/11/9/473/xml |
| article xml file uploaded | 3 September 2021 14:19 CEST | Update | N/A |
| article html file updated | 27 August 2021 13:57 CEST | Original file | N/A |
| article pdf uploaded. | 27 August 2021 13:56 CEST | Version of Record | https://www.mdpi.com/2227-7102/11/9/473/pdf-vor |
| article xml uploaded. | 27 August 2021 13:56 CEST | Update | N/A |
| article xml file uploaded | 27 August 2021 13:56 CEST | Original file | N/A |
