| article html file updated | 31 August 2025 16:27 CEST | Update | https://www.mdpi.com/2223-7747/9/4/453 |
| article html file updated | 21 July 2022 00:56 CEST | Update | - |
| article html file updated | 9 May 2020 04:27 CEST | Update | - |
| article html file updated | 8 April 2020 03:40 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 03:39 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/453/pdf |
| article xml uploaded. | 8 April 2020 03:39 CEST | Update | https://www.mdpi.com/2223-7747/9/4/453/xml |
| article xml file uploaded | 8 April 2020 03:39 CEST | Update | - |
| article pdf uploaded. | 3 April 2020 16:32 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/453/pdf-vor |
| article xml file uploaded | 3 April 2020 16:32 CEST | Update | - |
| article pdf uploaded. | 3 April 2020 16:31 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/453/pdf-vor |
| article xml file uploaded | 3 April 2020 16:31 CEST | Original file | - |
