| article html file updated | 31 August 2025 06:15 CEST | Update | https://www.mdpi.com/2075-4418/9/4/219 |
| article html file updated | 19 July 2022 21:59 CEST | Update | - |
| article html file updated | 14 February 2020 17:39 CET | Update | - |
| article html file updated | 30 December 2019 11:17 CET | Update | - |
| article html file updated | 11 December 2019 09:27 CET | Original file | - |
| article pdf uploaded. | 11 December 2019 09:26 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/219/pdf |
| article xml uploaded. | 11 December 2019 09:26 CET | Update | https://www.mdpi.com/2075-4418/9/4/219/xml |
| article xml file uploaded | 11 December 2019 09:26 CET | Original file | - |
