| article html file updated | 6 February 2020 08:35 CET | Update | https://www.mdpi.com/1660-4601/11/4/4091 |
| article html file updated | 7 May 2019 15:56 CEST | Update | - |
| article html file updated | 21 March 2019 15:28 CET | Update | - |
| article html file updated | 20 August 2015 03:09 CEST | Update | - |
| article html file updated | 27 May 2014 12:35 CEST | Original file | - |
| article xml file uploaded | 27 May 2014 12:35 CEST | Original file | https://www.mdpi.com/1660-4601/11/4/4091/xml |
| article pdf uploaded. | 22 April 2014 17:05 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/4/4091/pdf |
| article pdf uploaded. | 14 April 2014 14:11 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/4/4091/pdf-vor |
