| article html file updated | 2 September 2025 04:20 CEST | Update | https://www.mdpi.com/2226-4310/8/4/117 |
| article html file updated | 25 July 2022 12:53 CEST | Update | - |
| article html file updated | 20 April 2021 06:21 CEST | Update | - |
| article pdf uploaded. | 20 April 2021 06:19 CEST | Updated version of record | https://www.mdpi.com/2226-4310/8/4/117/pdf |
| article xml uploaded. | 20 April 2021 06:19 CEST | Update | https://www.mdpi.com/2226-4310/8/4/117/xml |
| article xml file uploaded | 20 April 2021 06:19 CEST | Update | - |
| article html file updated | 20 April 2021 05:28 CEST | Original file | - |
| article pdf uploaded. | 20 April 2021 05:26 CEST | Updated version of record | https://www.mdpi.com/2226-4310/8/4/117/pdf-vor |
| article xml file uploaded | 20 April 2021 05:26 CEST | Original file | - |
| article pdf uploaded. | 19 April 2021 13:06 CEST | Version of Record | https://www.mdpi.com/2226-4310/8/4/117/pdf-vor |
