| article html file updated | 9 July 2021 09:27 CEST | Original file | https://www.mdpi.com/1999-5903/13/7/180 |
| article pdf uploaded. | 9 July 2021 09:26 CEST | Version of Record | https://www.mdpi.com/1999-5903/13/7/180/pdf |
| article xml uploaded. | 9 July 2021 09:26 CEST | Update | https://www.mdpi.com/1999-5903/13/7/180/xml |
| article xml file uploaded | 9 July 2021 09:26 CEST | Original file | - |
