| article html file updated | 17 August 2026 05:13 CEST | Update | https://www.mdpi.com/2410-387X/4/1/8 |
| article html file updated | 31 August 2025 13:50 CEST | Update | N/A |
| article html file updated | 20 July 2022 22:19 CEST | Update | N/A |
| article html file updated | 8 October 2020 18:05 CEST | Update | N/A |
| article html file updated | 27 March 2020 04:15 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 04:13 CET | Updated version of record | https://www.mdpi.com/2410-387X/4/1/8/pdf |
| article xml uploaded. | 27 March 2020 04:13 CET | Update | https://www.mdpi.com/2410-387X/4/1/8/xml |
| article xml file uploaded | 27 March 2020 04:13 CET | Update | N/A |
| article pdf uploaded. | 9 March 2020 04:08 CET | Updated version of record | https://www.mdpi.com/2410-387X/4/1/8/pdf-vor |
| article xml file uploaded | 9 March 2020 04:08 CET | Update | N/A |
| article pdf uploaded. | 8 March 2020 04:19 CET | Version of Record | https://www.mdpi.com/2410-387X/4/1/8/pdf-vor |
| article xml file uploaded | 8 March 2020 04:19 CET | Original file | N/A |
