| article html file updated | 8 May 2020 17:42 CEST | Update | https://www.mdpi.com/2075-4701/10/4/515 |
| article html file updated | 16 April 2020 16:43 CEST | Original file | - |
| article pdf uploaded. | 16 April 2020 16:42 CEST | Version of Record | https://www.mdpi.com/2075-4701/10/4/515/pdf |
| article xml uploaded. | 16 April 2020 16:42 CEST | Update | https://www.mdpi.com/2075-4701/10/4/515/xml |
| article xml file uploaded | 16 April 2020 16:42 CEST | Original file | - |
