| article html file updated | 31 December 2021 04:41 CET | Original file | https://www.mdpi.com/2077-0375/12/1/52 |
| article pdf uploaded. | 31 December 2021 04:40 CET | Version of Record | https://www.mdpi.com/2077-0375/12/1/52/pdf |
| article xml uploaded. | 31 December 2021 04:40 CET | Update | https://www.mdpi.com/2077-0375/12/1/52/xml |
| article xml file uploaded | 31 December 2021 04:40 CET | Original file | N/A |
