| article html file updated | 31 August 2025 15:33 CEST | Update | https://www.mdpi.com/2076-0760/9/4/33 |
| article html file updated | 21 July 2022 00:03 CEST | Update | N/A |
| article html file updated | 31 March 2020 15:09 CEST | Original file | N/A |
| article pdf uploaded. | 31 March 2020 15:08 CEST | Updated version of record | https://www.mdpi.com/2076-0760/9/4/33/pdf |
| article xml uploaded. | 31 March 2020 15:08 CEST | Update | https://www.mdpi.com/2076-0760/9/4/33/xml |
| article xml file uploaded | 31 March 2020 15:08 CEST | Update | N/A |
| article pdf uploaded. | 26 March 2020 13:14 CET | Version of Record | https://www.mdpi.com/2076-0760/9/4/33/pdf-vor |
| article xml file uploaded | 26 March 2020 13:14 CET | Original file | N/A |
