| article html file updated | 2 April 2020 04:46 CEST | Update | https://www.mdpi.com/1660-4601/17/6/1904 |
| article html file updated | 15 March 2020 08:33 CET | Original file | - |
| article pdf uploaded. | 15 March 2020 08:31 CET | Version of Record | https://www.mdpi.com/1660-4601/17/6/1904/pdf |
| article xml uploaded. | 15 March 2020 08:31 CET | Update | https://www.mdpi.com/1660-4601/17/6/1904/xml |
| article xml file uploaded | 15 March 2020 08:31 CET | Original file | - |
