| article html file updated | 8 February 2021 09:05 CET | Original file | https://www.mdpi.com/1660-4601/18/4/1559 |
| article pdf uploaded. | 8 February 2021 09:04 CET | Updated version of record | https://www.mdpi.com/1660-4601/18/4/1559/pdf |
| article xml uploaded. | 8 February 2021 09:04 CET | Update | https://www.mdpi.com/1660-4601/18/4/1559/xml |
| article xml file uploaded | 8 February 2021 09:04 CET | Original file | - |
| article pdf uploaded. | 6 February 2021 13:38 CET | Version of Record | https://www.mdpi.com/1660-4601/18/4/1559/pdf-vor |
