| article html file updated | 30 August 2025 20:28 CEST | Update | https://www.mdpi.com/1999-4907/10/6/471 |
| article html file updated | 19 July 2022 19:21 CEST | Update | N/A |
| article html file updated | 12 February 2020 16:20 CET | Update | N/A |
| article html file updated | 21 October 2019 00:17 CEST | Update | N/A |
| article html file updated | 5 July 2019 19:44 CEST | Update | N/A |
| article html file updated | 5 July 2019 10:56 CEST | Update | N/A |
| article html file updated | 5 July 2019 09:38 CEST | Update | N/A |
| article html file updated | 30 May 2019 09:56 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 09:54 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/6/471/pdf |
| article xml uploaded. | 30 May 2019 09:54 CEST | Update | https://www.mdpi.com/1999-4907/10/6/471/xml |
| article xml file uploaded | 30 May 2019 09:54 CEST | Original file | N/A |
