| article html file updated | 7 February 2020 16:16 CET | Update | https://www.mdpi.com/2071-1050/8/10/1020 |
| article html file updated | 5 May 2019 01:49 CEST | Update | N/A |
| article html file updated | 28 October 2016 10:09 CEST | Update | N/A |
| article html file updated | 13 October 2016 09:02 CEST | Original file | N/A |
| article xml uploaded. | 13 October 2016 09:00 CEST | Update | https://www.mdpi.com/2071-1050/8/10/1020/xml |
| article xml uploaded. | 13 October 2016 09:00 CEST | Original file | N/A |
| article pdf uploaded. | 13 October 2016 09:00 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/10/1020/pdf |
