| article html file updated | 18 August 2026 23:30 CEST | Update | https://www.mdpi.com/2226-4310/8/2/55 |
| article html file updated | 1 September 2025 22:14 CEST | Update | N/A |
| article html file updated | 25 July 2022 04:14 CEST | Update | N/A |
| article html file updated | 25 February 2021 04:23 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2021 04:22 CET | Updated version of record | https://www.mdpi.com/2226-4310/8/2/55/pdf |
| article xml uploaded. | 25 February 2021 04:22 CET | Update | https://www.mdpi.com/2226-4310/8/2/55/xml |
| article xml file uploaded | 25 February 2021 04:22 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2021 09:22 CET | Version of Record | https://www.mdpi.com/2226-4310/8/2/55/pdf-vor |
