| article html file updated | 21 August 2015 13:09 CEST | Update | https://www.mdpi.com/1424-8220/15/6/12959 |
| article html file updated | 15 July 2015 05:36 CEST | Original file | - |
| article xml file uploaded | 15 July 2015 05:36 CEST | Original file | https://www.mdpi.com/1424-8220/15/6/12959/xml |
| article pdf uploaded. | 4 June 2015 09:03 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/12959/pdf |
