| article html file updated | 31 August 2025 15:31 CEST | Update | https://www.mdpi.com/2309-608X/6/2/40 |
| article html file updated | 21 July 2022 00:01 CEST | Update | - |
| article html file updated | 31 March 2020 10:29 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 10:27 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/40/pdf |
| article xml uploaded. | 31 March 2020 10:27 CEST | Update | https://www.mdpi.com/2309-608X/6/2/40/xml |
| article xml file uploaded | 31 March 2020 10:27 CEST | Update | - |
| article pdf uploaded. | 26 March 2020 09:55 CET | Version of Record | https://www.mdpi.com/2309-608X/6/2/40/pdf-vor |
| article xml file uploaded | 26 March 2020 09:55 CET | Original file | - |
