| article html file updated | 28 May 2021 10:02 CEST | Update | https://www.mdpi.com/2227-9717/9/6/938 |
| article html file updated | 27 May 2021 11:26 CEST | Original file | - |
| article pdf uploaded. | 27 May 2021 11:24 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/6/938/pdf |
| article xml uploaded. | 27 May 2021 11:24 CEST | Update | https://www.mdpi.com/2227-9717/9/6/938/xml |
| article xml file uploaded | 27 May 2021 11:24 CEST | Original file | - |
| article pdf uploaded. | 26 May 2021 13:14 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/6/938/pdf-vor |
