| article html file updated | 25 January 2021 13:52 CET | Original file | https://www.mdpi.com/2571-841X/4/1/3 |
| article pdf uploaded. | 25 January 2021 13:51 CET | Version of Record | https://www.mdpi.com/2571-841X/4/1/3/pdf |
| article xml uploaded. | 25 January 2021 13:51 CET | Update | https://www.mdpi.com/2571-841X/4/1/3/xml |
| article xml file uploaded | 25 January 2021 13:51 CET | Original file | N/A |
