| article html file updated | 7 February 2020 01:48 CET | Update | https://www.mdpi.com/2073-4360/7/12/1533 |
| article html file updated | 6 May 2019 05:51 CEST | Update | - |
| article html file updated | 26 March 2019 15:48 CET | Original file | - |
| article pdf uploaded. | 4 December 2015 15:36 CET | Version of Record | https://www.mdpi.com/2073-4360/7/12/1533/pdf |
| article xml uploaded. | 4 December 2015 15:36 CET | Original file | https://www.mdpi.com/2073-4360/7/12/1533/xml |
