| article html file updated | 22 January 2021 10:03 CET | Update | https://www.mdpi.com/2077-1312/9/2/107 |
| article html file updated | 22 January 2021 04:11 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2021 04:10 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/2/107/pdf |
| article xml uploaded. | 22 January 2021 04:10 CET | Update | https://www.mdpi.com/2077-1312/9/2/107/xml |
| article xml file uploaded | 22 January 2021 04:10 CET | Original file | N/A |
| article pdf uploaded. | 20 January 2021 20:34 CET | Version of Record | https://www.mdpi.com/2077-1312/9/2/107/pdf-vor |
