| article html file updated | 21 August 2015 13:37 CEST | Update | https://www.mdpi.com/1424-8220/15/6/14016 |
| article html file updated | 15 July 2015 05:37 CEST | Original file | N/A |
| article xml file uploaded | 15 July 2015 05:37 CEST | Original file | https://www.mdpi.com/1424-8220/15/6/14016/xml |
| article pdf uploaded. | 19 June 2015 14:35 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/6/14016/pdf |
| article pdf uploaded. | 15 June 2015 11:03 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/14016/pdf-vor |