| article html file updated | 8 February 2020 08:40 CET | Update | https://www.mdpi.com/2071-1050/9/6/1061 |
| article html file updated | 25 September 2019 10:27 CEST | Update | - |
| article html file updated | 3 May 2019 16:43 CEST | Update | - |
| article html file updated | 28 June 2017 14:52 CEST | Update | - |
| article html file updated | 20 June 2017 12:05 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 12:03 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/1061/xml |
| article pdf uploaded. | 20 June 2017 12:03 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1061/pdf |
| article pdf uploaded. | 19 June 2017 13:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1061/pdf-vor |
