| article html file updated | 21 August 2015 05:35 CEST | Update | https://www.mdpi.com/1424-8220/15/1/1312 |
| article html file updated | 13 February 2015 07:12 CET | Original file | - |
| article xml file uploaded | 13 February 2015 07:12 CET | Original file | https://www.mdpi.com/1424-8220/15/1/1312/xml |
| article pdf uploaded. | 12 January 2015 12:05 CET | Version of Record | https://www.mdpi.com/1424-8220/15/1/1312/pdf |
