| article html file updated | 31 August 2025 18:23 CEST | Update | https://www.mdpi.com/2076-0817/9/4/312 |
| article html file updated | 21 August 2025 23:48 CEST | Update | - |
| article html file updated | 21 July 2022 02:50 CEST | Update | - |
| article html file updated | 26 April 2020 16:26 CEST | Original file | - |
| article pdf uploaded. | 26 April 2020 16:25 CEST | Updated version of record | https://www.mdpi.com/2076-0817/9/4/312/pdf |
| article xml uploaded. | 26 April 2020 16:25 CEST | Update | https://www.mdpi.com/2076-0817/9/4/312/xml |
| article xml file uploaded | 26 April 2020 16:25 CEST | Update | - |
| article pdf uploaded. | 24 April 2020 06:21 CEST | Updated version of record | https://www.mdpi.com/2076-0817/9/4/312/pdf-vor |
| article xml file uploaded | 24 April 2020 06:21 CEST | Update | - |
| article pdf uploaded. | 23 April 2020 17:15 CEST | Version of Record | https://www.mdpi.com/2076-0817/9/4/312/pdf-vor |
| article xml file uploaded | 23 April 2020 17:15 CEST | Original file | - |
