| article html file updated | 8 May 2020 19:06 CEST | Update | https://www.mdpi.com/2073-4352/10/4/258 |
| article html file updated | 28 March 2020 15:17 CET | Original file | - |
| article pdf uploaded. | 28 March 2020 15:16 CET | Version of Record | https://www.mdpi.com/2073-4352/10/4/258/pdf |
| article xml uploaded. | 28 March 2020 15:16 CET | Update | https://www.mdpi.com/2073-4352/10/4/258/xml |
| article xml file uploaded | 28 March 2020 15:16 CET | Original file | - |
