| article html file updated | 22 October 2020 08:16 CEST | Original file | https://www.mdpi.com/1996-1944/13/20/4686 |
| article pdf uploaded. | 22 October 2020 08:15 CEST | Updated version of record | https://www.mdpi.com/1996-1944/13/20/4686/pdf |
| article xml uploaded. | 22 October 2020 08:15 CEST | Update | https://www.mdpi.com/1996-1944/13/20/4686/xml |
| article xml file uploaded | 22 October 2020 08:15 CEST | Original file | N/A |
| article pdf uploaded. | 21 October 2020 12:43 CEST | Version of Record | https://www.mdpi.com/1996-1944/13/20/4686/pdf-vor |
