| article html file updated | 7 February 2020 11:09 CET | Update | https://www.mdpi.com/2072-6643/8/7/408 |
| article html file updated | 21 September 2019 20:17 CEST | Update | - |
| article html file updated | 5 May 2019 11:08 CEST | Update | - |
| article html file updated | 27 March 2019 09:16 CET | Update | - |
| article html file updated | 28 July 2016 09:23 CEST | Update | - |
| article html file updated | 2 July 2016 09:09 CEST | Original file | - |
| article xml uploaded. | 2 July 2016 09:08 CEST | Original file | https://www.mdpi.com/2072-6643/8/7/408/xml |
| article pdf uploaded. | 2 July 2016 09:08 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/7/408/pdf |
