| article html file updated | 31 August 2025 10:26 CEST | Update | https://www.mdpi.com/1999-4923/12/2/117 |
| article html file updated | 20 July 2022 18:57 CEST | Update | - |
| article html file updated | 6 March 2020 10:45 CET | Update | - |
| article html file updated | 15 February 2020 07:00 CET | Update | - |
| article html file updated | 1 February 2020 12:06 CET | Original file | - |
| article pdf uploaded. | 1 February 2020 12:04 CET | Version of Record | https://www.mdpi.com/1999-4923/12/2/117/pdf |
| article xml uploaded. | 1 February 2020 12:04 CET | Update | https://www.mdpi.com/1999-4923/12/2/117/xml |
| article xml file uploaded | 1 February 2020 12:04 CET | Original file | - |
