| article html file updated | 31 August 2025 07:05 CEST | Update | https://www.mdpi.com/2073-4360/12/1/20 |
| article html file updated | 19 July 2022 21:12 CEST | Update | - |
| article html file updated | 14 February 2020 20:25 CET | Update | - |
| article html file updated | 6 February 2020 20:23 CET | Update | - |
| article html file updated | 20 December 2019 11:39 CET | Original file | - |
| article pdf uploaded. | 20 December 2019 11:38 CET | Version of Record | https://www.mdpi.com/2073-4360/12/1/20/pdf |
| article xml uploaded. | 20 December 2019 11:38 CET | Update | https://www.mdpi.com/2073-4360/12/1/20/xml |
| article xml file uploaded | 20 December 2019 11:38 CET | Original file | - |
