| article html file updated | 31 August 2025 03:33 CEST | Update | https://www.mdpi.com/2079-7737/8/4/81 |
| article html file updated | 21 August 2025 23:04 CEST | Update | N/A |
| article html file updated | 20 July 2022 00:52 CEST | Update | N/A |
| article html file updated | 14 February 2020 04:12 CET | Update | N/A |
| article html file updated | 30 December 2019 10:09 CET | Update | N/A |
| article html file updated | 26 October 2019 08:37 CEST | Original file | N/A |
| article pdf uploaded. | 26 October 2019 08:36 CEST | Version of Record | https://www.mdpi.com/2079-7737/8/4/81/pdf |
| article xml uploaded. | 26 October 2019 08:36 CEST | Update | https://www.mdpi.com/2079-7737/8/4/81/xml |
| article xml file uploaded | 26 October 2019 08:36 CEST | Original file | N/A |
