| article html file updated | 1 September 2025 11:45 CEST | Update | https://www.mdpi.com/2226-471X/5/4/42 |
| article html file updated | 22 July 2022 22:17 CEST | Update | - |
| article html file updated | 30 October 2020 09:28 CET | Update | - |
| article pdf uploaded. | 30 October 2020 09:27 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/42/pdf |
| article xml uploaded. | 30 October 2020 09:27 CET | Update | https://www.mdpi.com/2226-471X/5/4/42/xml |
| article xml file uploaded | 30 October 2020 09:27 CET | Update | - |
| article html file updated | 23 October 2020 15:19 CEST | Original file | - |
| article pdf uploaded. | 23 October 2020 15:17 CEST | Version of Record | https://www.mdpi.com/2226-471X/5/4/42/pdf-vor |
| article xml uploaded. | 23 October 2020 15:17 CEST | Update | - |
| article xml file uploaded | 23 October 2020 15:17 CEST | Original file | - |
