| article html file updated | 31 December 2020 15:10 CET | Original file | https://www.mdpi.com/1996-1944/14/1/159 |
| article pdf uploaded. | 31 December 2020 15:09 CET | Version of Record | https://www.mdpi.com/1996-1944/14/1/159/pdf |
| article xml uploaded. | 31 December 2020 15:09 CET | Update | https://www.mdpi.com/1996-1944/14/1/159/xml |
| article xml file uploaded | 31 December 2020 15:09 CET | Original file | - |
