| article html file updated | 8 February 2020 19:46 CET | Update | https://www.mdpi.com/2071-1050/9/11/1948 |
| article html file updated | 2 May 2019 18:16 CEST | Update | - |
| article html file updated | 30 November 2017 12:08 CET | Update | - |
| article html file updated | 29 October 2017 22:54 CET | Original file | - |
| article xml uploaded. | 29 October 2017 04:57 CET | Update | https://www.mdpi.com/2071-1050/9/11/1948/xml |
| article xml uploaded. | 29 October 2017 04:57 CET | Original file | - |
| article pdf uploaded. | 29 October 2017 04:57 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/1948/pdf |
