| article html file updated | 31 August 2025 10:34 CEST | Update | https://www.mdpi.com/1999-4923/12/2/121 |
| article html file updated | 20 July 2022 19:05 CEST | Update | - |
| article html file updated | 6 March 2020 10:48 CET | Update | - |
| article html file updated | 15 February 2020 07:24 CET | Update | - |
| article html file updated | 3 February 2020 12:54 CET | Original file | - |
| article pdf uploaded. | 3 February 2020 12:53 CET | Version of Record | https://www.mdpi.com/1999-4923/12/2/121/pdf |
| article xml uploaded. | 3 February 2020 12:53 CET | Update | https://www.mdpi.com/1999-4923/12/2/121/xml |
| article xml file uploaded | 3 February 2020 12:53 CET | Original file | - |
