| article html file updated | 17 June 2021 10:01 CEST | Update | https://www.mdpi.com/1911-8074/14/6/268 |
| article html file updated | 17 June 2021 09:20 CEST | Original file | N/A |
| article pdf uploaded. | 17 June 2021 09:18 CEST | Updated version of record | https://www.mdpi.com/1911-8074/14/6/268/pdf |
| article xml uploaded. | 17 June 2021 09:18 CEST | Update | https://www.mdpi.com/1911-8074/14/6/268/xml |
| article xml file uploaded | 17 June 2021 09:18 CEST | Original file | N/A |
| article pdf uploaded. | 13 June 2021 09:15 CEST | Version of Record | https://www.mdpi.com/1911-8074/14/6/268/pdf-vor |
