| article html file updated | 2 September 2025 03:09 CEST | Update | https://www.mdpi.com/2227-9032/9/4/440 |
| article html file updated | 25 July 2022 11:21 CEST | Update | N/A |
| article html file updated | 4 August 2021 17:52 CEST | Update | N/A |
| article html file updated | 12 April 2021 04:32 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2021 04:31 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/440/pdf |
| article xml uploaded. | 12 April 2021 04:31 CEST | Update | https://www.mdpi.com/2227-9032/9/4/440/xml |
| article xml file uploaded | 12 April 2021 04:31 CEST | Original file | N/A |
| article pdf uploaded. | 8 April 2021 15:55 CEST | Version of Record | https://www.mdpi.com/2227-9032/9/4/440/pdf-vor |
