| article html file updated | 6 February 2020 10:07 CET | Update | https://www.mdpi.com/1660-4601/11/6/6494 |
| article html file updated | 7 May 2019 12:48 CEST | Update | - |
| article html file updated | 21 March 2019 19:17 CET | Update | - |
| article html file updated | 20 August 2015 10:30 CEST | Update | - |
| article html file updated | 2 July 2014 12:29 CEST | Original file | - |
| article xml file uploaded | 2 July 2014 12:29 CEST | Original file | https://www.mdpi.com/1660-4601/11/6/6494/xml |
| article pdf uploaded. | 20 June 2014 11:19 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/6/6494/pdf |
