| article html file updated | 6 February 2020 09:50 CET | Update | https://www.mdpi.com/2073-4409/3/2/616 |
| article html file updated | 21 March 2019 18:31 CET | Update | - |
| article html file updated | 20 August 2015 09:29 CEST | Update | - |
| Correction published | 27 October 2014 00:00 CET | Correction | http://www.mdpi.com/2073-4409/3/4/994 |
| article html file updated | 11 July 2014 10:24 CEST | Original file | - |
| article xml file uploaded | 11 July 2014 10:24 CEST | Original file | https://www.mdpi.com/2073-4409/3/2/616/xml |
| article pdf uploaded. | 11 June 2014 08:54 CEST | Version of Record | https://www.mdpi.com/2073-4409/3/2/616/pdf |
