| article html file updated | 21 August 2015 07:07 CEST | Update | https://www.mdpi.com/1424-8220/15/2/3688 |
| article html file updated | 19 March 2015 07:45 CET | Original file | - |
| article xml file uploaded | 19 March 2015 07:45 CET | Original file | https://www.mdpi.com/1424-8220/15/2/3688/xml |
| article pdf uploaded. | 9 February 2015 08:35 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/2/3688/pdf |
| article pdf uploaded. | 6 February 2015 09:08 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/2/3688/pdf-vor |
| article pdf uploaded. | 5 February 2015 11:08 CET | Version of Record | https://www.mdpi.com/1424-8220/15/2/3688/pdf-vor |
