| article html file updated | 22 January 2021 11:13 CET | Update | https://www.mdpi.com/2227-9067/8/1/45 |
| article pdf uploaded. | 22 January 2021 11:12 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/1/45/pdf |
| article xml uploaded. | 22 January 2021 11:12 CET | Update | https://www.mdpi.com/2227-9067/8/1/45/xml |
| article xml file uploaded | 22 January 2021 11:12 CET | Update | N/A |
| article html file updated | 14 January 2021 09:28 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2021 09:27 CET | Version of Record | https://www.mdpi.com/2227-9067/8/1/45/pdf-vor |
| article xml uploaded. | 14 January 2021 09:27 CET | Update | N/A |
| article xml file uploaded | 14 January 2021 09:27 CET | Original file | N/A |
