| article html file updated | 31 August 2025 13:29 CEST | Update | https://www.mdpi.com/2076-0752/9/1/33 |
| article html file updated | 20 July 2022 21:58 CEST | Update | - |
| article html file updated | 5 March 2020 06:41 CET | Original file | - |
| article pdf uploaded. | 5 March 2020 06:39 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/1/33/pdf |
| article xml uploaded. | 5 March 2020 06:39 CET | Update | https://www.mdpi.com/2076-0752/9/1/33/xml |
| article xml file uploaded | 5 March 2020 06:39 CET | Update | - |
| article pdf uploaded. | 4 March 2020 14:37 CET | Version of Record | https://www.mdpi.com/2076-0752/9/1/33/pdf-vor |
| article xml file uploaded | 4 March 2020 14:37 CET | Original file | - |
