| article html file updated | 31 August 2025 08:55 CEST | Update | https://www.mdpi.com/2227-7080/8/1/6 |
| article html file updated | 20 July 2022 17:26 CEST | Update | - |
| article html file updated | 8 October 2020 16:48 CEST | Update | - |
| article html file updated | 20 March 2020 11:53 CET | Original file | - |
| article pdf uploaded. | 20 March 2020 11:51 CET | Updated version of record | https://www.mdpi.com/2227-7080/8/1/6/pdf |
| article xml uploaded. | 20 March 2020 11:51 CET | Update | https://www.mdpi.com/2227-7080/8/1/6/xml |
| article xml file uploaded | 20 March 2020 11:51 CET | Update | - |
| article pdf uploaded. | 13 January 2020 16:57 CET | Version of Record | https://www.mdpi.com/2227-7080/8/1/6/pdf-vor |
| article xml file uploaded | 13 January 2020 16:57 CET | Original file | - |
