| article html file updated | 21 August 2015 03:19 CEST | Update | https://www.mdpi.com/1424-8220/14/12/22998 |
| article html file updated | 20 January 2015 08:42 CET | Original file | N/A |
| article xml file uploaded | 20 January 2015 08:42 CET | Original file | https://www.mdpi.com/1424-8220/14/12/22998/xml |
| article pdf uploaded. | 3 December 2014 12:04 CET | Version of Record | https://www.mdpi.com/1424-8220/14/12/22998/pdf |
