| article html file updated | 19 June 2021 11:17 CEST | Original file | https://www.mdpi.com/2071-1050/13/12/6920 |
| article pdf uploaded. | 19 June 2021 11:16 CEST | Version of Record | https://www.mdpi.com/2071-1050/13/12/6920/pdf |
| article xml uploaded. | 19 June 2021 11:16 CEST | Update | https://www.mdpi.com/2071-1050/13/12/6920/xml |
| article xml file uploaded | 19 June 2021 11:16 CEST | Original file | - |
