| article html file updated | 8 February 2020 06:32 CET | Update | https://www.mdpi.com/2071-1050/9/6/885 |
| article html file updated | 24 September 2019 23:30 CEST | Update | - |
| article html file updated | 3 May 2019 20:43 CEST | Update | - |
| article html file updated | 28 June 2017 14:31 CEST | Update | - |
| article html file updated | 24 May 2017 10:25 CEST | Original file | - |
| article xml uploaded. | 24 May 2017 10:24 CEST | Update | https://www.mdpi.com/2071-1050/9/6/885/xml |
| article pdf uploaded. | 24 May 2017 10:24 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/885/pdf |
