| article html file updated | 6 February 2020 09:48 CET | Update | https://www.mdpi.com/1660-4601/11/6/6069 |
| article html file updated | 7 May 2019 13:26 CEST | Update | - |
| article html file updated | 21 March 2019 18:25 CET | Update | - |
| article html file updated | 20 August 2015 09:21 CEST | Update | - |
| article html file updated | 2 July 2014 12:28 CEST | Original file | - |
| article xml file uploaded | 2 July 2014 12:28 CEST | Original file | https://www.mdpi.com/1660-4601/11/6/6069/xml |
| article pdf uploaded. | 10 June 2014 09:33 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/6/6069/pdf |
