| article html file updated | 31 August 2025 16:05 CEST | Update | https://www.mdpi.com/2223-7747/9/4/433 |
| article html file updated | 21 July 2022 00:34 CEST | Update | - |
| article html file updated | 9 May 2020 04:25 CEST | Update | - |
| article html file updated | 7 April 2020 12:49 CEST | Original file | - |
| article pdf uploaded. | 7 April 2020 12:48 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/433/pdf |
| article xml uploaded. | 7 April 2020 12:48 CEST | Update | https://www.mdpi.com/2223-7747/9/4/433/xml |
| article xml file uploaded | 7 April 2020 12:48 CEST | Update | - |
| article pdf uploaded. | 1 April 2020 10:57 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/433/pdf-vor |
| article xml file uploaded | 1 April 2020 10:57 CEST | Original file | - |
