| article html file updated | 2 June 2021 10:10 CEST | Update | https://www.mdpi.com/2079-6412/11/6/666 |
| article html file updated | 1 June 2021 11:21 CEST | Original file | - |
| article pdf uploaded. | 1 June 2021 11:19 CEST | Updated version of record | https://www.mdpi.com/2079-6412/11/6/666/pdf |
| article xml uploaded. | 1 June 2021 11:19 CEST | Update | https://www.mdpi.com/2079-6412/11/6/666/xml |
| article xml file uploaded | 1 June 2021 11:19 CEST | Original file | - |
| article pdf uploaded. | 31 May 2021 16:09 CEST | Version of Record | https://www.mdpi.com/2079-6412/11/6/666/pdf-vor |
