| article html file updated | 30 July 2022 05:58 CEST | Update | https://www.mdpi.com/2227-7080/9/3/68 |
| article html file updated | 15 September 2021 14:37 CEST | Original file | - |
| article pdf uploaded. | 15 September 2021 14:36 CEST | Version of Record | https://www.mdpi.com/2227-7080/9/3/68/pdf |
| article xml uploaded. | 15 September 2021 14:35 CEST | Update | https://www.mdpi.com/2227-7080/9/3/68/xml |
| article xml file uploaded | 15 September 2021 14:35 CEST | Original file | - |
