| article html file updated | 7 February 2020 09:23 CET | Update | https://www.mdpi.com/2071-1050/8/6/514 |
| article html file updated | 5 May 2019 14:29 CEST | Update | - |
| article html file updated | 27 March 2019 05:56 CET | Update | - |
| article html file updated | 29 June 2016 05:22 CEST | Update | - |
| article html file updated | 27 May 2016 11:54 CEST | Original file | - |
| article xml uploaded. | 27 May 2016 10:00 CEST | Original file | https://www.mdpi.com/2071-1050/8/6/514/xml |
| article pdf uploaded. | 27 May 2016 10:00 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/514/pdf |
