| article html file updated | 29 August 2025 20:51 CEST | Update | https://www.mdpi.com/2225-1146/1/3/217 |
| article html file updated | 15 July 2022 22:41 CEST | Update | - |
| article html file updated | 6 February 2020 05:36 CET | Update | - |
| article html file updated | 7 May 2019 22:00 CEST | Update | - |
| article html file updated | 21 March 2019 07:47 CET | Update | - |
| article html file updated | 19 August 2015 09:58 CEST | Update | - |
| article html file updated | 10 November 2014 07:31 CET | Original file | - |
| article xml file uploaded | 10 November 2014 07:31 CET | Original file | https://www.mdpi.com/2225-1146/1/3/217/xml |
| article pdf uploaded. | 18 November 2013 13:56 CET | Version of Record | https://www.mdpi.com/2225-1146/1/3/217/pdf |
