| article html file updated | 14 March 2021 10:00 CET | Update | https://www.mdpi.com/1996-1073/14/6/1549 |
| article html file updated | 13 March 2021 14:28 CET | Original file | - |
| article pdf uploaded. | 13 March 2021 14:26 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/6/1549/pdf |
| article xml uploaded. | 13 March 2021 14:26 CET | Update | https://www.mdpi.com/1996-1073/14/6/1549/xml |
| article xml file uploaded | 13 March 2021 14:26 CET | Original file | - |
| article pdf uploaded. | 11 March 2021 12:26 CET | Version of Record | https://www.mdpi.com/1996-1073/14/6/1549/pdf-vor |
