| article html file updated | 1 September 2025 18:15 CEST | Update | https://www.mdpi.com/2306-5729/6/1/4 |
| article html file updated | 23 July 2022 13:23 CEST | Update | - |
| article html file updated | 13 January 2021 04:07 CET | Original file | - |
| article pdf uploaded. | 13 January 2021 04:06 CET | Updated version of record | https://www.mdpi.com/2306-5729/6/1/4/pdf |
| article xml uploaded. | 13 January 2021 04:06 CET | Update | https://www.mdpi.com/2306-5729/6/1/4/xml |
| article xml file uploaded | 13 January 2021 04:06 CET | Original file | - |
| article pdf uploaded. | 10 January 2021 12:22 CET | Version of Record | https://www.mdpi.com/2306-5729/6/1/4/pdf-vor |
