| article html file updated | 2 September 2025 03:09 CEST | Update | https://www.mdpi.com/2227-9032/9/4/439 |
| article html file updated | 25 July 2022 11:20 CEST | Update | N/A |
| article html file updated | 4 August 2021 17:34 CEST | Update | N/A |
| article html file updated | 10 April 2021 09:59 CEST | Update | N/A |
| article html file updated | 9 April 2021 11:00 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2021 10:59 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/439/pdf |
| article xml uploaded. | 9 April 2021 10:59 CEST | Update | https://www.mdpi.com/2227-9032/9/4/439/xml |
| article xml file uploaded | 9 April 2021 10:59 CEST | Original file | N/A |
