| article html file updated | 20 August 2015 19:12 CEST | Update | https://www.mdpi.com/2072-4292/6/9/8639 |
| article html file updated | 25 October 2014 13:28 CEST | Original file | N/A |
| article xml file uploaded | 25 October 2014 13:28 CEST | Original file | https://www.mdpi.com/2072-4292/6/9/8639/xml |
| article pdf uploaded. | 17 September 2014 08:25 CEST | Updated version of record | https://www.mdpi.com/2072-4292/6/9/8639/pdf |
| article pdf uploaded. | 16 September 2014 11:40 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/9/8639/pdf-vor |
