| article html file updated | 31 August 2025 08:20 CEST | Update | https://www.mdpi.com/2225-1154/8/1/6 |
| article html file updated | 19 July 2022 20:00 CEST | Update | - |
| article html file updated | 15 February 2020 00:34 CET | Update | - |
| article html file updated | 7 February 2020 12:23 CET | Update | - |
| article html file updated | 21 January 2020 08:14 CET | Original file | - |
| article pdf uploaded. | 21 January 2020 08:12 CET | Updated version of record | https://www.mdpi.com/2225-1154/8/1/6/pdf |
| article xml uploaded. | 21 January 2020 08:12 CET | Update | https://www.mdpi.com/2225-1154/8/1/6/xml |
| article xml file uploaded | 21 January 2020 08:12 CET | Update | - |
| article pdf uploaded. | 6 January 2020 14:00 CET | Version of Record | https://www.mdpi.com/2225-1154/8/1/6/pdf-vor |
| article xml file uploaded | 6 January 2020 14:00 CET | Original file | - |
