| article html file updated | 31 August 2025 18:06 CEST | Update | https://www.mdpi.com/2223-7747/9/4/540 |
| article html file updated | 21 July 2022 02:34 CEST | Update | - |
| article html file updated | 9 May 2020 04:38 CEST | Update | - |
| article html file updated | 26 April 2020 17:55 CEST | Original file | - |
| article pdf uploaded. | 26 April 2020 17:54 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/540/pdf |
| article xml uploaded. | 26 April 2020 17:54 CEST | Update | https://www.mdpi.com/2223-7747/9/4/540/xml |
| article xml file uploaded | 26 April 2020 17:54 CEST | Update | - |
| article supplementary file uploaded. | 21 April 2020 14:22 CEST | - | https://www.mdpi.com/2223-7747/9/4/540#supplementary |
| article pdf uploaded. | 21 April 2020 14:22 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/540/pdf-vor |
| article xml file uploaded | 21 April 2020 14:22 CEST | Original file | - |
