| article html file updated | 30 August 2025 10:00 CEST | Update | https://www.mdpi.com/1999-4893/11/12/208 |
| article html file updated | 17 July 2022 16:08 CEST | Update | - |
| article html file updated | 11 February 2020 03:28 CET | Update | - |
| article html file updated | 12 October 2019 00:48 CEST | Update | - |
| article html file updated | 27 April 2019 18:39 CEST | Update | - |
| article html file updated | 13 April 2019 14:34 CEST | Update | - |
| article html file updated | 2 April 2019 14:04 CEST | Update | - |
| article html file updated | 25 December 2018 04:10 CET | Update | - |
| article html file updated | 15 December 2018 11:41 CET | Original file | - |
| article pdf uploaded. | 15 December 2018 11:40 CET | Version of Record | https://www.mdpi.com/1999-4893/11/12/208/pdf |
| article xml uploaded. | 15 December 2018 11:40 CET | Update | https://www.mdpi.com/1999-4893/11/12/208/xml |
| article xml file uploaded | 15 December 2018 11:40 CET | Original file | - |
