| article html file updated | 27 July 2022 04:42 CEST | Update | https://www.mdpi.com/2311-5521/6/7/257 |
| article html file updated | 13 July 2021 16:15 CEST | Original file | - |
| article pdf uploaded. | 13 July 2021 16:12 CEST | Version of Record | https://www.mdpi.com/2311-5521/6/7/257/pdf |
| article xml uploaded. | 13 July 2021 16:12 CEST | Update | https://www.mdpi.com/2311-5521/6/7/257/xml |
| article xml file uploaded | 13 July 2021 16:12 CEST | Original file | - |
