| article html file updated | 21 August 2015 07:15 CEST | Update | https://www.mdpi.com/1424-8220/15/2/3872 |
| 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/1424-8220/15/2/3872/xml |
| article pdf uploaded. | 6 February 2015 12:22 CET | Version of Record | https://www.mdpi.com/1424-8220/15/2/3872/pdf |
