| article html file updated | 5 August 2021 01:13 CEST | Update | https://www.mdpi.com/2410-390X/5/2/15 |
| article html file updated | 5 August 2021 01:03 CEST | Update | - |
| article html file updated | 11 April 2021 12:31 CEST | Original file | - |
| article pdf uploaded. | 11 April 2021 12:30 CEST | Version of Record | https://www.mdpi.com/2410-390X/5/2/15/pdf |
| article xml uploaded. | 11 April 2021 12:30 CEST | Update | https://www.mdpi.com/2410-390X/5/2/15/xml |
| article xml file uploaded | 11 April 2021 12:30 CEST | Original file | - |
