| article html file updated | 6 February 2020 08:40 CET | Update | https://www.mdpi.com/1660-4601/11/4/4311 |
| article html file updated | 20 September 2019 07:30 CEST | Update | - |
| article html file updated | 7 May 2019 15:45 CEST | Update | - |
| article html file updated | 21 March 2019 15:41 CET | Update | - |
| article html file updated | 20 August 2015 03:37 CEST | Update | - |
| article html file updated | 27 May 2014 12:36 CEST | Original file | - |
| article xml file uploaded | 27 May 2014 12:36 CEST | Original file | https://www.mdpi.com/1660-4601/11/4/4311/xml |
| article pdf uploaded. | 17 April 2014 10:58 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/4/4311/pdf |
