| article html file updated | 31 August 2025 16:10 CEST | Update | https://www.mdpi.com/2077-1312/8/4/239 |
| article html file updated | 21 July 2022 00:39 CEST | Update | - |
| article html file updated | 11 May 2020 10:11 CEST | Update | - |
| article html file updated | 5 April 2020 16:14 CEST | Original file | - |
| article pdf uploaded. | 5 April 2020 16:12 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/4/239/pdf |
| article xml uploaded. | 5 April 2020 16:12 CEST | Update | https://www.mdpi.com/2077-1312/8/4/239/xml |
| article xml file uploaded | 5 April 2020 16:12 CEST | Update | - |
| article pdf uploaded. | 1 April 2020 15:39 CEST | Version of Record | https://www.mdpi.com/2077-1312/8/4/239/pdf-vor |
| article xml file uploaded | 1 April 2020 15:39 CEST | Original file | - |
