| article html file updated | 7 February 2020 10:33 CET | Update | https://www.mdpi.com/2071-1050/8/6/578 |
| article html file updated | 5 May 2019 12:13 CEST | Update | - |
| article html file updated | 27 March 2019 08:09 CET | Update | - |
| article html file updated | 29 June 2016 05:40 CEST | Update | - |
| article html file updated | 22 June 2016 11:59 CEST | Original file | - |
| article xml uploaded. | 22 June 2016 11:57 CEST | Update | https://www.mdpi.com/2071-1050/8/6/578/xml |
| article pdf uploaded. | 22 June 2016 11:57 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/578/pdf |
