| article html file updated | 21 August 2015 09:34 CEST | Update | https://www.mdpi.com/1424-8220/15/4/7658 |
| article html file updated | 12 May 2015 12:23 CEST | Original file | - |
| article xml file uploaded | 12 May 2015 12:23 CEST | Original file | https://www.mdpi.com/1424-8220/15/4/7658/xml |
| article pdf uploaded. | 30 March 2015 10:23 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/4/7658/pdf |
