| article html file updated | 29 August 2025 21:17 CEST | Update | https://www.mdpi.com/2072-6694/6/4/2116 |
| article html file updated | 15 July 2022 23:28 CEST | Update | N/A |
| article html file updated | 6 February 2020 12:56 CET | Update | N/A |
| article html file updated | 22 March 2019 02:55 CET | Update | N/A |
| article html file updated | 20 August 2015 23:36 CEST | Update | N/A |
| article html file updated | 26 December 2014 11:27 CET | Original file | N/A |
| article xml file uploaded | 26 December 2014 11:27 CET | Original file | https://www.mdpi.com/2072-6694/6/4/2116/xml |
| article pdf uploaded. | 17 October 2014 15:07 CEST | Version of Record | https://www.mdpi.com/2072-6694/6/4/2116/pdf |