| article html file updated | 4 August 2021 14:40 CEST | Update | https://www.mdpi.com/2411-5134/6/2/26 |
| article html file updated | 11 April 2021 13:42 CEST | Update | - |
| article html file updated | 8 April 2021 07:57 CEST | Original file | - |
| article pdf uploaded. | 8 April 2021 07:56 CEST | Updated version of record | https://www.mdpi.com/2411-5134/6/2/26/pdf |
| article xml uploaded. | 8 April 2021 07:56 CEST | Update | https://www.mdpi.com/2411-5134/6/2/26/xml |
| article xml file uploaded | 8 April 2021 07:56 CEST | Original file | - |
| article pdf uploaded. | 7 April 2021 15:46 CEST | Version of Record | https://www.mdpi.com/2411-5134/6/2/26/pdf-vor |
