| article html file updated | 7 January 2021 02:16 CET | Update | https://www.mdpi.com/2077-1444/12/1/31 |
| article pdf uploaded. | 7 January 2021 02:15 CET | Updated version of record | https://www.mdpi.com/2077-1444/12/1/31/pdf |
| article xml uploaded. | 7 January 2021 02:15 CET | Update | https://www.mdpi.com/2077-1444/12/1/31/xml |
| article xml file uploaded | 7 January 2021 02:15 CET | Update | - |
| article html file updated | 4 January 2021 10:29 CET | Original file | - |
| article pdf uploaded. | 4 January 2021 10:27 CET | Version of Record | https://www.mdpi.com/2077-1444/12/1/31/pdf-vor |
| article xml file uploaded | 4 January 2021 10:27 CET | Original file | - |
