| article html file updated | 1 September 2025 14:17 CEST | Update | https://www.mdpi.com/2313-4321/5/4/31 |
| article html file updated | 23 July 2022 02:22 CEST | Update | N/A |
| article html file updated | 30 November 2020 11:31 CET | Original file | N/A |
| article pdf uploaded. | 30 November 2020 11:30 CET | Updated version of record | https://www.mdpi.com/2313-4321/5/4/31/pdf |
| article xml uploaded. | 30 November 2020 11:30 CET | Update | https://www.mdpi.com/2313-4321/5/4/31/xml |
| article xml file uploaded | 30 November 2020 11:30 CET | Original file | N/A |
| article pdf uploaded. | 24 November 2020 14:00 CET | Version of Record | https://www.mdpi.com/2313-4321/5/4/31/pdf-vor |
