| article html file updated | 1 September 2025 19:46 CEST | Update | https://www.mdpi.com/2311-5521/6/2/55 |
| article html file updated | 24 July 2022 03:01 CEST | Update | - |
| article html file updated | 29 January 2021 05:49 CET | Update | - |
| article pdf uploaded. | 29 January 2021 05:47 CET | Updated version of record | https://www.mdpi.com/2311-5521/6/2/55/pdf |
| article xml uploaded. | 29 January 2021 05:47 CET | Update | https://www.mdpi.com/2311-5521/6/2/55/xml |
| article xml file uploaded | 29 January 2021 05:47 CET | Update | - |
| article html file updated | 26 January 2021 15:26 CET | Original file | - |
| article pdf uploaded. | 26 January 2021 15:24 CET | Version of Record | https://www.mdpi.com/2311-5521/6/2/55/pdf-vor |
| article xml uploaded. | 26 January 2021 15:24 CET | Update | - |
| article xml file uploaded | 26 January 2021 15:24 CET | Original file | - |
