| article html file updated | 8 February 2020 20:34 CET | Update | https://www.mdpi.com/2071-1050/9/11/2040 |
| article html file updated | 28 September 2019 07:19 CEST | Update | - |
| article html file updated | 2 May 2019 16:26 CEST | Update | - |
| article html file updated | 30 November 2017 12:48 CET | Update | - |
| article html file updated | 7 November 2017 13:43 CET | Original file | - |
| article xml uploaded. | 7 November 2017 13:42 CET | Update | https://www.mdpi.com/2071-1050/9/11/2040/xml |
| article xml uploaded. | 7 November 2017 13:42 CET | Update | - |
| article xml uploaded. | 7 November 2017 13:42 CET | Update | - |
| article xml uploaded. | 7 November 2017 13:42 CET | Original file | - |
| article pdf uploaded. | 7 November 2017 13:42 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2040/pdf |
