| article html file updated | 29 August 2025 23:48 CEST | Update | https://www.mdpi.com/1996-1073/9/11/880 |
| article html file updated | 16 July 2022 03:41 CEST | Update | N/A |
| article html file updated | 7 February 2020 17:04 CET | Update | N/A |
| article html file updated | 5 May 2019 00:18 CEST | Update | N/A |
| article html file updated | 30 November 2016 05:23 CET | Update | N/A |
| article html file updated | 27 October 2016 12:21 CEST | Original file | N/A |
| article xml uploaded. | 27 October 2016 12:20 CEST | Update | https://www.mdpi.com/1996-1073/9/11/880/xml |
| article xml uploaded. | 27 October 2016 12:20 CEST | Original file | N/A |
| article pdf uploaded. | 27 October 2016 12:20 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/11/880/pdf |
