| article html file updated | 21 August 2015 05:44 CEST | Update | https://www.mdpi.com/1424-8220/15/1/1417 |
| article html file updated | 13 February 2015 07:11 CET | Original file | N/A |
| article xml file uploaded | 13 February 2015 07:11 CET | Original file | https://www.mdpi.com/1424-8220/15/1/1417/xml |
| article pdf uploaded. | 14 January 2015 09:58 CET | Version of Record | https://www.mdpi.com/1424-8220/15/1/1417/pdf |
