| article html file updated | 27 February 2021 10:09 CET | Original file | https://www.mdpi.com/2076-0787/10/1/39 |
| article pdf uploaded. | 27 February 2021 10:07 CET | Version of Record | https://www.mdpi.com/2076-0787/10/1/39/pdf |
| article xml uploaded. | 27 February 2021 10:07 CET | Update | https://www.mdpi.com/2076-0787/10/1/39/xml |
| article xml file uploaded | 27 February 2021 10:07 CET | Original file | N/A |
