| article html file updated | 31 August 2025 18:12 CEST | Update | https://www.mdpi.com/2073-4433/11/4/421 |
| article html file updated | 21 July 2022 02:39 CEST | Update | - |
| article html file updated | 8 May 2020 07:00 CEST | Update | - |
| article html file updated | 26 April 2020 09:11 CEST | Original file | - |
| article pdf uploaded. | 26 April 2020 09:09 CEST | Updated version of record | https://www.mdpi.com/2073-4433/11/4/421/pdf |
| article xml uploaded. | 26 April 2020 09:09 CEST | Update | https://www.mdpi.com/2073-4433/11/4/421/xml |
| article xml file uploaded | 26 April 2020 09:09 CEST | Update | - |
| article pdf uploaded. | 22 April 2020 13:11 CEST | Version of Record | https://www.mdpi.com/2073-4433/11/4/421/pdf-vor |
| article xml file uploaded | 22 April 2020 13:11 CEST | Original file | - |
