| article html file updated | 7 February 2020 16:53 CET | Update | https://www.mdpi.com/2071-1050/8/10/1081 |
| article html file updated | 5 May 2019 00:39 CEST | Update | N/A |
| article html file updated | 28 October 2016 10:25 CEST | Update | N/A |
| article html file updated | 24 October 2016 12:03 CEST | Original file | N/A |
| article xml uploaded. | 24 October 2016 12:02 CEST | Update | https://www.mdpi.com/2071-1050/8/10/1081/xml |
| article xml uploaded. | 24 October 2016 12:02 CEST | Original file | N/A |
| article pdf uploaded. | 24 October 2016 12:02 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/10/1081/pdf |
