| article html file updated | 2 September 2025 04:07 CEST | Update | https://www.mdpi.com/2227-9717/9/4/709 |
| article html file updated | 25 July 2022 12:36 CEST | Update | N/A |
| article html file updated | 20 April 2021 10:02 CEST | Update | N/A |
| article html file updated | 19 April 2021 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 19 April 2021 11:27 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/709/pdf |
| article xml uploaded. | 19 April 2021 11:27 CEST | Update | https://www.mdpi.com/2227-9717/9/4/709/xml |
| article xml file uploaded | 19 April 2021 11:27 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2021 16:29 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/4/709/pdf-vor |
