| article html file updated | 1 September 2025 16:23 CEST | Update | https://www.mdpi.com/2313-576X/6/4/56 |
| article html file updated | 23 July 2022 05:50 CEST | Update | - |
| article html file updated | 24 December 2020 09:22 CET | Update | - |
| article pdf uploaded. | 24 December 2020 09:21 CET | Updated version of record | https://www.mdpi.com/2313-576X/6/4/56/pdf |
| article xml uploaded. | 24 December 2020 09:21 CET | Update | https://www.mdpi.com/2313-576X/6/4/56/xml |
| article xml file uploaded | 24 December 2020 09:21 CET | Update | - |
| article html file updated | 18 December 2020 13:10 CET | Original file | - |
| article pdf uploaded. | 18 December 2020 11:54 CET | Version of Record | https://www.mdpi.com/2313-576X/6/4/56/pdf-vor |
| article xml uploaded. | 18 December 2020 11:54 CET | Update | - |
| article xml file uploaded | 18 December 2020 11:54 CET | Original file | - |
