| article html file updated | 31 August 2025 12:30 CEST | Update | https://www.mdpi.com/2073-4409/9/2/506 |
| article html file updated | 20 July 2022 21:00 CEST | Update | - |
| article html file updated | 6 March 2020 10:02 CET | Update | - |
| article html file updated | 23 February 2020 08:34 CET | Original file | - |
| article pdf uploaded. | 23 February 2020 08:33 CET | Version of Record | https://www.mdpi.com/2073-4409/9/2/506/pdf |
| article xml uploaded. | 23 February 2020 08:33 CET | Update | https://www.mdpi.com/2073-4409/9/2/506/xml |
| article xml file uploaded | 23 February 2020 08:33 CET | Original file | - |
