| article html file updated | 1 September 2025 20:33 CEST | Update | https://www.mdpi.com/2227-9032/9/2/156 |
| article html file updated | 24 July 2022 12:22 CEST | Update | - |
| article html file updated | 4 February 2021 05:16 CET | Update | - |
| article pdf uploaded. | 4 February 2021 05:15 CET | Updated version of record | https://www.mdpi.com/2227-9032/9/2/156/pdf |
| article xml uploaded. | 4 February 2021 05:15 CET | Update | https://www.mdpi.com/2227-9032/9/2/156/xml |
| article xml file uploaded | 4 February 2021 05:15 CET | Update | - |
| article html file updated | 3 February 2021 07:51 CET | Original file | - |
| article pdf uploaded. | 3 February 2021 07:50 CET | Version of Record | https://www.mdpi.com/2227-9032/9/2/156/pdf-vor |
| article xml uploaded. | 3 February 2021 07:50 CET | Update | - |
| article xml file uploaded | 3 February 2021 07:50 CET | Original file | - |
