| article html file updated | 31 August 2025 00:47 CEST | Update | https://www.mdpi.com/1999-4923/11/9/438 |
| article html file updated | 20 July 2022 04:13 CEST | Update | - |
| article html file updated | 13 February 2020 14:14 CET | Update | - |
| article html file updated | 25 September 2019 18:20 CEST | Update | - |
| article html file updated | 1 September 2019 10:56 CEST | Original file | - |
| article pdf uploaded. | 1 September 2019 10:55 CEST | Version of Record | https://www.mdpi.com/1999-4923/11/9/438/pdf |
| article xml uploaded. | 1 September 2019 10:55 CEST | Update | https://www.mdpi.com/1999-4923/11/9/438/xml |
| article xml file uploaded | 1 September 2019 10:54 CEST | Original file | - |
