| article html file updated | 1 September 2025 19:46 CEST | Update | https://www.mdpi.com/2227-9717/9/2/227 |
| article html file updated | 24 July 2022 02:55 CEST | Update | - |
| article html file updated | 28 January 2021 02:27 CET | Update | - |
| article pdf uploaded. | 28 January 2021 02:26 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/2/227/pdf |
| article xml uploaded. | 28 January 2021 02:26 CET | Update | https://www.mdpi.com/2227-9717/9/2/227/xml |
| article xml file uploaded | 28 January 2021 02:26 CET | Update | - |
| article html file updated | 26 January 2021 14:41 CET | Original file | - |
| article pdf uploaded. | 26 January 2021 14:39 CET | Version of Record | https://www.mdpi.com/2227-9717/9/2/227/pdf-vor |
| article xml uploaded. | 26 January 2021 14:39 CET | Update | - |
| article xml file uploaded | 26 January 2021 14:39 CET | Original file | - |
