| article html file updated | 7 February 2020 01:01 CET | Update | https://www.mdpi.com/2073-4360/7/11/1516 |
| article html file updated | 6 May 2019 07:03 CEST | Update | - |
| article html file updated | 26 March 2019 14:45 CET | Original file | - |
| article pdf uploaded. | 17 November 2015 11:48 CET | Version of Record | https://www.mdpi.com/2073-4360/7/11/1516/pdf |
| article xml uploaded. | 17 November 2015 11:48 CET | Original file | https://www.mdpi.com/2073-4360/7/11/1516/xml |
