| article html file updated | 8 February 2020 19:04 CET | Update | https://www.mdpi.com/2071-1050/9/10/1874 |
| article html file updated | 27 September 2019 22:04 CEST | Update | - |
| article html file updated | 2 May 2019 19:52 CEST | Update | - |
| article html file updated | 3 November 2017 04:52 CET | Update | - |
| article html file updated | 21 October 2017 05:58 CEST | Original file | - |
| article xml uploaded. | 21 October 2017 05:57 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1874/xml |
| article xml uploaded. | 21 October 2017 05:57 CEST | Original file | - |
| article pdf uploaded. | 21 October 2017 05:57 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1874/pdf |
