| article html file updated | 24 December 2020 10:53 CET | Update | https://www.mdpi.com/1873-149X/27/1/4 |
| article xml uploaded. | 24 December 2020 10:52 CET | Update | https://www.mdpi.com/1873-149X/27/1/4/xml |
| article xml file uploaded | 24 December 2020 10:52 CET | Update | - |
| article html file updated | 21 December 2020 05:24 CET | Update | - |
| article pdf uploaded. | 21 December 2020 05:21 CET | Updated version of record | https://www.mdpi.com/1873-149X/27/1/4/pdf |
| article html file updated | 7 December 2020 01:49 CET | Original file | - |
| article pdf uploaded. | 6 December 2020 11:13 CET | Version of Record | https://www.mdpi.com/1873-149X/27/1/4/pdf-vor |
| article xml uploaded. | 6 December 2020 11:13 CET | Update | - |
| article xml file uploaded | 6 December 2020 11:13 CET | Original file | - |
