| article html file updated | 15 April 2021 10:32 CEST | Original file | https://www.mdpi.com/2304-6732/8/4/124 |
| article pdf uploaded. | 15 April 2021 10:30 CEST | Version of Record | https://www.mdpi.com/2304-6732/8/4/124/pdf |
| article xml uploaded. | 15 April 2021 10:30 CEST | Update | https://www.mdpi.com/2304-6732/8/4/124/xml |
| article xml file uploaded | 15 April 2021 10:30 CEST | Original file | - |
