| article html file updated | 17 June 2015 11:13 CEST | Update | https://www.mdpi.com/1424-8220/13/7/8997 |
| article html file updated | 29 October 2013 08:16 CET | Update | - |
| article xml file uploaded | 29 October 2013 08:16 CET | Update | https://www.mdpi.com/1424-8220/13/7/8997/xml |
| article html file updated | 2 September 2013 14:52 CEST | Update | - |
| article xml file uploaded | 2 September 2013 14:52 CEST | Update | - |
| article html file updated | 2 September 2013 11:30 CEST | Original file | - |
| article xml file uploaded | 2 September 2013 11:30 CEST | Original file | - |
| article pdf uploaded. | 15 July 2013 12:06 CEST | Updated version of record | https://www.mdpi.com/1424-8220/13/7/8997/pdf |
| article pdf uploaded. | 12 July 2013 10:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/7/8997/pdf-vor |
