| article html file updated | 17 June 2015 07:13 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3157 |
| article html file updated | 21 May 2013 09:36 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:36 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3157/xml |
| article html file updated | 23 April 2013 14:00 CEST | Update | - |
| article xml file uploaded | 23 April 2013 14:00 CEST | Update | - |
| article html file updated | 23 April 2013 11:54 CEST | Original file | - |
| article xml file uploaded | 23 April 2013 11:54 CEST | Original file | - |
| article pdf uploaded. | 6 March 2013 14:28 CET | Version of Record | https://www.mdpi.com/1424-8220/13/3/3157/pdf |
