| article html file updated | 17 June 2015 09:44 CEST | Update | https://www.mdpi.com/1424-8220/13/6/7021 |
| article html file updated | 30 October 2013 11:46 CET | Update | - |
| article xml file uploaded | 30 October 2013 11:46 CET | Update | https://www.mdpi.com/1424-8220/13/6/7021/xml |
| article html file updated | 19 July 2013 09:52 CEST | Original file | - |
| article xml file uploaded | 19 July 2013 09:52 CEST | Original file | - |
| article supplementary file uploaded. | 7 June 2013 14:35 CEST | - | https://www.mdpi.com/1424-8220/13/6/7021#supplementary |
| article supplementary file uploaded. | 28 May 2013 14:16 CEST | - | https://www.mdpi.com/1424-8220/13/6/7021#supplementary |
| article pdf uploaded. | 28 May 2013 14:16 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/6/7021/pdf |
