| article html file updated | 30 June 2020 08:50 CEST | Original file | https://www.mdpi.com/2077-1312/8/6/428 |
| article pdf uploaded. | 30 June 2020 08:49 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/6/428/pdf |
| article xml uploaded. | 30 June 2020 08:49 CEST | Update | https://www.mdpi.com/2077-1312/8/6/428/xml |
| article xml file uploaded | 30 June 2020 08:49 CEST | Original file | - |
| article pdf uploaded. | 11 June 2020 13:10 CEST | Version of Record | https://www.mdpi.com/2077-1312/8/6/428/pdf-vor |
