| article html file updated | 1 September 2025 16:53 CEST | Update | https://www.mdpi.com/1996-1944/14/1/39 |
| article html file updated | 23 July 2022 07:01 CEST | Update | - |
| article html file updated | 27 December 2020 07:49 CET | Original file | - |
| article pdf uploaded. | 27 December 2020 07:47 CET | Updated version of record | https://www.mdpi.com/1996-1944/14/1/39/pdf |
| article xml uploaded. | 27 December 2020 07:47 CET | Update | https://www.mdpi.com/1996-1944/14/1/39/xml |
| article xml file uploaded | 27 December 2020 07:47 CET | Original file | - |
| article pdf uploaded. | 24 December 2020 12:54 CET | Updated version of record | https://www.mdpi.com/1996-1944/14/1/39/pdf-vor |
| article pdf uploaded. | 24 December 2020 10:46 CET | Version of Record | https://www.mdpi.com/1996-1944/14/1/39/pdf-vor |
