| article html file updated | 31 August 2025 16:37 CEST | Update | https://www.mdpi.com/2223-7747/9/4/461 |
| article html file updated | 21 July 2022 01:07 CEST | Update | - |
| article html file updated | 9 May 2020 04:29 CEST | Update | - |
| article html file updated | 9 April 2020 03:24 CEST | Update | - |
| article pdf uploaded. | 9 April 2020 03:23 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/461/pdf |
| article xml uploaded. | 9 April 2020 03:23 CEST | Update | https://www.mdpi.com/2223-7747/9/4/461/xml |
| article xml file uploaded | 9 April 2020 03:23 CEST | Update | - |
| article html file updated | 8 April 2020 16:55 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 16:53 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/461/pdf-vor |
| article xml file uploaded | 8 April 2020 16:53 CEST | Update | - |
| article pdf uploaded. | 6 April 2020 15:10 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/461/pdf-vor |
| article xml file uploaded | 6 April 2020 15:10 CEST | Original file | - |
