| article html file updated | 19 August 2015 16:46 CEST | Update | https://www.mdpi.com/1424-8220/14/1/887 |
| article html file updated | 20 February 2014 09:19 CET | Original file | - |
| article xml file uploaded | 20 February 2014 09:18 CET | Original file | https://www.mdpi.com/1424-8220/14/1/887/xml |
| article pdf uploaded. | 14 February 2014 08:27 CET | Updated version of record | https://www.mdpi.com/1424-8220/14/1/887/pdf |
