| article html file updated | 31 August 2025 22:23 CEST | Update | https://www.mdpi.com/2076-3921/9/6/474 |
| article html file updated | 21 July 2022 06:47 CEST | Update | N/A |
| article html file updated | 2 June 2020 12:34 CEST | Original file | N/A |
| article pdf uploaded. | 2 June 2020 12:32 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/6/474/pdf |
| article xml uploaded. | 2 June 2020 12:32 CEST | Update | https://www.mdpi.com/2076-3921/9/6/474/xml |
| article xml file uploaded | 2 June 2020 12:32 CEST | Original file | N/A |
