| article html file updated | 30 July 2022 23:50 CEST | Update | https://www.mdpi.com/2077-0375/12/1/6 |
| article html file updated | 21 April 2022 11:37 CEST | Update | - |
| article html file updated | 4 January 2022 07:54 CET | Update | - |
| article pdf uploaded. | 4 January 2022 07:52 CET | Updated version of record | https://www.mdpi.com/2077-0375/12/1/6/pdf |
| article xml uploaded. | 4 January 2022 07:52 CET | Update | https://www.mdpi.com/2077-0375/12/1/6/xml |
| article xml file uploaded | 4 January 2022 07:52 CET | Update | - |
| article html file updated | 22 December 2021 12:30 CET | Original file | - |
| article pdf uploaded. | 22 December 2021 12:28 CET | Version of Record | https://www.mdpi.com/2077-0375/12/1/6/pdf-vor |
| article xml uploaded. | 22 December 2021 12:28 CET | Update | - |
| article xml file uploaded | 22 December 2021 12:28 CET | Original file | - |
