| article html file updated | 1 September 2025 19:56 CEST | Update | https://www.mdpi.com/2226-471X/6/1/18 |
| article html file updated | 22 August 2025 00:34 CEST | Update | - |
| article html file updated | 28 January 2021 09:56 CET | Original file | - |
| article pdf uploaded. | 28 January 2021 09:55 CET | Version of Record | https://www.mdpi.com/2226-471X/6/1/18/pdf |
| article xml uploaded. | 28 January 2021 09:55 CET | Update | https://www.mdpi.com/2226-471X/6/1/18/xml |
| article xml file uploaded | 28 January 2021 09:55 CET | Original file | - |
