| article html file updated | 7 March 2020 18:07 CET | Update | https://www.mdpi.com/2073-431X/9/1/18 |
| article html file updated | 7 March 2020 13:39 CET | Original file | - |
| article pdf uploaded. | 6 March 2020 11:22 CET | Version of Record | https://www.mdpi.com/2073-431X/9/1/18/pdf |
| article xml uploaded. | 6 March 2020 11:22 CET | Update | https://www.mdpi.com/2073-431X/9/1/18/xml |
| article xml file uploaded | 6 March 2020 11:22 CET | Original file | - |
