| article html file updated | 21 August 2015 07:43 CEST | Update | https://www.mdpi.com/1424-8220/15/2/4496 |
| article html file updated | 19 March 2015 07:45 CET | Original file | N/A |
| article xml file uploaded | 19 March 2015 07:45 CET | Original file | https://www.mdpi.com/1424-8220/15/2/4496/xml |
| article pdf uploaded. | 16 February 2015 10:57 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/2/4496/pdf |
| article pdf uploaded. | 16 February 2015 08:31 CET | Version of Record | N/A |
