| article html file updated | 7 February 2020 10:32 CET | Update | https://www.mdpi.com/2071-1050/8/6/584 |
| article html file updated | 5 May 2019 12:15 CEST | Update | - |
| article html file updated | 27 March 2019 08:07 CET | Update | - |
| article html file updated | 29 June 2016 05:41 CEST | Update | - |
| article html file updated | 22 June 2016 08:52 CEST | Original file | - |
| article xml uploaded. | 22 June 2016 08:51 CEST | Original file | https://www.mdpi.com/2071-1050/8/6/584/xml |
| article pdf uploaded. | 22 June 2016 08:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/584/pdf |
