| article html file updated | 31 August 2025 15:38 CEST | Update | https://www.mdpi.com/2076-3921/9/4/284 |
| article html file updated | 21 July 2022 00:08 CEST | Update | N/A |
| article html file updated | 31 March 2020 12:00 CEST | Original file | N/A |
| article pdf uploaded. | 31 March 2020 11:58 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/284/pdf |
| article xml uploaded. | 31 March 2020 11:58 CEST | Update | https://www.mdpi.com/2076-3921/9/4/284/xml |
| article xml file uploaded | 31 March 2020 11:58 CEST | Update | N/A |
| article pdf uploaded. | 27 March 2020 11:13 CET | Version of Record | https://www.mdpi.com/2076-3921/9/4/284/pdf-vor |
| article xml file uploaded | 27 March 2020 11:13 CET | Original file | N/A |
