| article html file updated | 18 August 2026 19:31 CEST | Update | https://www.mdpi.com/2227-9067/8/2/84 |
| article html file updated | 25 December 2025 02:44 CET | Update | N/A |
| article html file updated | 1 September 2025 19:42 CEST | Update | N/A |
| article html file updated | 24 July 2022 02:13 CEST | Update | N/A |
| article html file updated | 3 February 2021 05:23 CET | Update | N/A |
| article pdf uploaded. | 3 February 2021 05:22 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/2/84/pdf |
| article xml uploaded. | 3 February 2021 05:22 CET | Update | https://www.mdpi.com/2227-9067/8/2/84/xml |
| article xml file uploaded | 3 February 2021 05:22 CET | Update | N/A |
| article html file updated | 26 January 2021 08:36 CET | Original file | N/A |
| article pdf uploaded. | 26 January 2021 08:34 CET | Version of Record | https://www.mdpi.com/2227-9067/8/2/84/pdf-vor |
| article xml uploaded. | 26 January 2021 08:34 CET | Update | N/A |
| article xml file uploaded | 26 January 2021 08:34 CET | Original file | N/A |
