| article html file updated | 21 August 2015 04:44 CEST | Update | https://www.mdpi.com/1424-8220/15/1/135 |
| 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/1424-8220/15/1/135/xml |
| article pdf uploaded. | 31 December 2014 08:02 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/1/135/pdf |
| article pdf uploaded. | 29 December 2014 08:37 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/1/135/pdf-vor |
| article pdf uploaded. | 24 December 2014 10:25 CET | Version of Record | https://www.mdpi.com/1424-8220/15/1/135/pdf-vor |
