| article html file updated | 31 August 2025 08:28 CEST | Update | https://www.mdpi.com/1999-4893/13/1/20 |
| article html file updated | 19 July 2022 19:51 CEST | Update | - |
| article html file updated | 15 February 2020 01:05 CET | Update | - |
| article html file updated | 21 January 2020 12:25 CET | Original file | - |
| article pdf uploaded. | 21 January 2020 12:23 CET | Updated version of record | https://www.mdpi.com/1999-4893/13/1/20/pdf |
| article xml uploaded. | 21 January 2020 12:23 CET | Update | https://www.mdpi.com/1999-4893/13/1/20/xml |
| article xml file uploaded | 21 January 2020 12:23 CET | Update | - |
| article pdf uploaded. | 8 January 2020 12:37 CET | Version of Record | https://www.mdpi.com/1999-4893/13/1/20/pdf-vor |
| article xml file uploaded | 8 January 2020 12:37 CET | Original file | - |
