| article html file updated | 29 August 2025 21:19 CEST | Update | https://www.mdpi.com/2072-6694/6/4/2259 |
| article html file updated | 15 July 2022 23:32 CEST | Update | - |
| article html file updated | 6 February 2020 13:28 CET | Update | - |
| article html file updated | 7 May 2019 05:50 CEST | Update | - |
| article html file updated | 25 March 2019 17:19 CET | Update | - |
| article html file updated | 21 August 2015 01:32 CEST | Update | - |
| article html file updated | 26 December 2014 11:27 CET | Original file | - |
| article xml file uploaded | 26 December 2014 11:27 CET | Original file | https://www.mdpi.com/2072-6694/6/4/2259/xml |
| article pdf uploaded. | 7 November 2014 13:37 CET | Version of Record | https://www.mdpi.com/2072-6694/6/4/2259/pdf |
