| article html file updated | 17 June 2015 07:39 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3739 |
| article html file updated | 21 May 2013 09:38 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:38 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3739/xml |
| article html file updated | 23 April 2013 14:09 CEST | Update | - |
| article xml file uploaded | 23 April 2013 14:08 CEST | Update | - |
| article html file updated | 23 April 2013 12:05 CEST | Original file | - |
| article xml file uploaded | 23 April 2013 12:05 CEST | Original file | - |
| article pdf uploaded. | 20 March 2013 18:10 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/3/3739/pdf |
| article pdf uploaded. | 18 March 2013 11:24 CET | Version of Record | https://www.mdpi.com/1424-8220/13/3/3739/pdf-vor |
