| article html file updated | 21 August 2015 10:45 CEST | Update | https://www.mdpi.com/1424-8220/15/4/9228 |
| article html file updated | 12 May 2015 12:30 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2015 12:30 CEST | Original file | https://www.mdpi.com/1424-8220/15/4/9228/xml |
| article pdf uploaded. | 20 April 2015 12:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/4/9228/pdf |
