| article html file updated | 7 February 2021 09:59 CET | Update | https://www.mdpi.com/2227-9717/9/2/255 |
| article html file updated | 7 February 2021 02:15 CET | Original file | - |
| article pdf uploaded. | 7 February 2021 02:14 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/2/255/pdf |
| article xml uploaded. | 7 February 2021 02:14 CET | Update | https://www.mdpi.com/2227-9717/9/2/255/xml |
| article xml file uploaded | 7 February 2021 02:14 CET | Original file | - |
| article pdf uploaded. | 29 January 2021 10:44 CET | Version of Record | https://www.mdpi.com/2227-9717/9/2/255/pdf-vor |
