| article html file updated | 7 February 2020 00:53 CET | Update | https://www.mdpi.com/2079-6412/5/4/816 |
| article html file updated | 19 May 2016 12:05 CEST | Update | - |
| article html file updated | 19 May 2016 11:52 CEST | Original file | - |
| article pdf uploaded. | 12 November 2015 15:43 CET | Version of Record | https://www.mdpi.com/2079-6412/5/4/816/pdf |
| article xml uploaded. | 12 November 2015 15:43 CET | Original file | https://www.mdpi.com/2079-6412/5/4/816/xml |
