| article html file updated | 7 February 2020 01:07 CET | Update | https://www.mdpi.com/2073-4433/6/11/1753 |
| article html file updated | 6 May 2019 06:58 CEST | Update | - |
| article html file updated | 26 March 2019 14:50 CET | Original file | - |
| article pdf uploaded. | 18 November 2015 14:01 CET | Version of Record | https://www.mdpi.com/2073-4433/6/11/1753/pdf |
| article xml uploaded. | 18 November 2015 14:01 CET | Original file | https://www.mdpi.com/2073-4433/6/11/1753/xml |
