| article html file updated | 31 August 2025 16:38 CEST | Update | https://www.mdpi.com/2227-7390/8/4/540 |
| article html file updated | 21 July 2022 01:08 CEST | Update | - |
| article html file updated | 7 April 2020 08:00 CEST | Original file | - |
| article pdf uploaded. | 7 April 2020 07:59 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/540/pdf |
| article xml uploaded. | 7 April 2020 07:59 CEST | Update | https://www.mdpi.com/2227-7390/8/4/540/xml |
| article xml file uploaded | 7 April 2020 07:59 CEST | Original file | - |
