| article html file updated | 24 December 2025 18:12 CET | Update | https://www.mdpi.com/2079-7737/9/4/68 |
| article html file updated | 31 August 2025 16:06 CEST | Update | N/A |
| article html file updated | 21 July 2022 00:35 CEST | Update | N/A |
| article html file updated | 2 April 2020 17:35 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2020 17:33 CEST | Updated version of record | https://www.mdpi.com/2079-7737/9/4/68/pdf |
| article xml uploaded. | 2 April 2020 17:33 CEST | Update | https://www.mdpi.com/2079-7737/9/4/68/xml |
| article xml file uploaded | 2 April 2020 17:33 CEST | Update | N/A |
| article pdf uploaded. | 1 April 2020 12:03 CEST | Version of Record | https://www.mdpi.com/2079-7737/9/4/68/pdf-vor |
| article xml file uploaded | 1 April 2020 12:03 CEST | Original file | N/A |
