| article html file updated | 19 August 2026 21:47 CEST | Update | https://www.mdpi.com/2409-9287/6/3/56 |
| article html file updated | 7 July 2021 03:56 CEST | Update | N/A |
| article pdf uploaded. | 7 July 2021 03:55 CEST | Updated version of record | https://www.mdpi.com/2409-9287/6/3/56/pdf |
| article xml uploaded. | 7 July 2021 03:55 CEST | Update | https://www.mdpi.com/2409-9287/6/3/56/xml |
| article xml file uploaded | 7 July 2021 03:55 CEST | Update | N/A |
| article html file updated | 6 July 2021 16:13 CEST | Original file | N/A |
| article pdf uploaded. | 6 July 2021 16:11 CEST | Version of Record | https://www.mdpi.com/2409-9287/6/3/56/pdf-vor |
| article xml file uploaded | 6 July 2021 16:11 CEST | Original file | N/A |