| article html file updated | 6 February 2020 09:44 CET | Update | https://www.mdpi.com/1660-4601/11/6/5970 |
| article html file updated | 7 May 2019 13:35 CEST | Update | - |
| article html file updated | 21 March 2019 18:14 CET | Update | - |
| article html file updated | 20 August 2015 09:05 CEST | Update | - |
| article html file updated | 2 July 2014 12:31 CEST | Original file | - |
| article xml file uploaded | 2 July 2014 12:31 CEST | Original file | https://www.mdpi.com/1660-4601/11/6/5970/xml |
| article pdf uploaded. | 10 June 2014 16:28 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/6/5970/pdf |
| article pdf uploaded. | 5 June 2014 11:17 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/6/5970/pdf-vor |