| article html file updated | 7 September 2025 06:36 CEST | Update | https://www.mdpi.com/2226-471X/6/4/196 |
| article html file updated | 30 July 2022 19:21 CEST | Update | - |
| article html file updated | 30 November 2021 02:19 CET | Update | - |
| article html file updated | 30 November 2021 02:19 CET | Update | - |
| article pdf uploaded. | 30 November 2021 02:18 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/4/196/pdf |
| article xml uploaded. | 30 November 2021 02:18 CET | Update | https://www.mdpi.com/2226-471X/6/4/196/xml |
| article xml file uploaded | 30 November 2021 02:18 CET | Update | - |
| article html file updated | 29 November 2021 02:53 CET | Original file | - |
| article pdf uploaded. | 29 November 2021 02:51 CET | Version of Record | https://www.mdpi.com/2226-471X/6/4/196/pdf-vor |
| article xml uploaded. | 29 November 2021 02:51 CET | Update | - |
| article xml file uploaded | 29 November 2021 02:51 CET | Original file | - |
