| article html file updated | 1 September 2025 22:23 CEST | Update | https://www.mdpi.com/2226-471X/6/1/33 |
| article html file updated | 25 July 2022 04:27 CEST | Update | - |
| article html file updated | 25 February 2021 08:58 CET | Update | - |
| article pdf uploaded. | 25 February 2021 08:56 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/33/pdf |
| article xml uploaded. | 25 February 2021 08:56 CET | Update | https://www.mdpi.com/2226-471X/6/1/33/xml |
| article xml file uploaded | 25 February 2021 08:56 CET | Update | - |
| article html file updated | 22 February 2021 06:58 CET | Original file | - |
| article pdf uploaded. | 22 February 2021 06:57 CET | Version of Record | https://www.mdpi.com/2226-471X/6/1/33/pdf-vor |
| article xml uploaded. | 22 February 2021 06:57 CET | Update | - |
| article xml file uploaded | 22 February 2021 06:57 CET | Original file | - |
