| article html file updated | 3 January 2021 08:52 CET | Original file | https://www.mdpi.com/2073-8994/13/1/72 |
| article pdf uploaded. | 3 January 2021 08:51 CET | Version of Record | https://www.mdpi.com/2073-8994/13/1/72/pdf |
| article xml uploaded. | 3 January 2021 08:51 CET | Update | https://www.mdpi.com/2073-8994/13/1/72/xml |
| article xml file uploaded | 3 January 2021 08:50 CET | Original file | N/A |
