| article html file updated | 1 September 2025 12:37 CEST | Update | https://www.mdpi.com/2313-433X/6/11/117 |
| article html file updated | 22 July 2022 23:40 CEST | Update | - |
| article html file updated | 5 November 2020 07:44 CET | Update | - |
| article pdf uploaded. | 5 November 2020 07:42 CET | Updated version of record | https://www.mdpi.com/2313-433X/6/11/117/pdf |
| article xml uploaded. | 5 November 2020 07:42 CET | Update | https://www.mdpi.com/2313-433X/6/11/117/xml |
| article xml file uploaded | 5 November 2020 07:42 CET | Update | - |
| article html file updated | 3 November 2020 12:48 CET | Original file | - |
| article pdf uploaded. | 3 November 2020 12:46 CET | Version of Record | https://www.mdpi.com/2313-433X/6/11/117/pdf-vor |
| article xml uploaded. | 3 November 2020 12:46 CET | Update | - |
| article xml file uploaded | 3 November 2020 12:46 CET | Original file | - |
