| article html file updated | 8 February 2020 19:11 CET | Update | https://www.mdpi.com/2071-1050/9/10/1909 |
| article html file updated | 27 September 2019 22:44 CEST | Update | - |
| article html file updated | 2 May 2019 19:35 CEST | Update | - |
| article html file updated | 3 November 2017 04:55 CET | Update | - |
| article html file updated | 23 October 2017 15:38 CEST | Original file | - |
| article xml uploaded. | 23 October 2017 15:37 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1909/xml |
| article xml uploaded. | 23 October 2017 15:37 CEST | Original file | - |
| article pdf uploaded. | 23 October 2017 15:37 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1909/pdf |
