| article html file updated | 21 August 2015 13:13 CEST | Update | https://www.mdpi.com/1424-8220/15/6/13222 |
| 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/1424-8220/15/6/13222/xml |
| article pdf uploaded. | 5 June 2015 10:18 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/13222/pdf |
