| article html file updated | 3 February 2021 09:54 CET | Original file | https://www.mdpi.com/2079-6412/11/2/171 |
| article pdf uploaded. | 3 February 2021 09:52 CET | Updated version of record | https://www.mdpi.com/2079-6412/11/2/171/pdf |
| article xml uploaded. | 3 February 2021 09:52 CET | Update | https://www.mdpi.com/2079-6412/11/2/171/xml |
| article xml file uploaded | 3 February 2021 09:52 CET | Original file | - |
| article pdf uploaded. | 31 January 2021 14:44 CET | Version of Record | https://www.mdpi.com/2079-6412/11/2/171/pdf-vor |
